The math factor pairs of 18 are (1,18) , (2,9) , (3,6) .
The factor pairs of 12 are (12,1), (6,2), and (4,3) The factor pairs of 18 are (18,1), (9,2), and (6,3)
"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.
21,17,3
1,8 2,4
10x1 1x105x22x5
1x125 5x25
1 and 73
(4,1)(2,2)
(1,100) (10,10)
(14,1)(7,2)
(218,1)(109,2)
(49,1)(7,7)