The factor pair for 31 is 1*31. Since 31 is prime, it has only one factor pair.
20 has 3 factor pairs. Pairs are (1,20), (2,10) and (9,9)
"Dose" is a measured portion of a medicine. I am not aware of any factor pairs related to dose 18 or any other measured quantities of medication!18 does have 3 factor pairs.
There are infinitely many pairs: the simplest pair is 1 and 270
Two pairs: 1 and 26 2 and 13
The factor pair for 31 is 1*31. Since 31 is prime, it has only one factor pair.
31 = 1 x 31
The factor pairs of 6014 are: (1 * 6014), (2 * 3007), (31 * 194) and (62 * 97).
They are: 3 times 31 = 93 and 1 times 93 = 93
Sixteen factor pairs.
30 has four factor pairs:30,115,210,36,5
20 has 3 factor pairs. Pairs are (1,20), (2,10) and (9,9)
12 has 3 factor pairs and the pairs are (1,12), (2,6) and (3,4).
31 pairs. And they arise from the combination of the ventral and dorsal roots.
76 has 3 factor pairs: (1,76), (2,38), (4,19).
One pair: it's a prime number.
1 x 2263, 31 x 73, 73 x 31, 2263 x 1