Each of these numbers will go evenly into 18: 1, 2, 3, 6, 9, 18.
7 is a prime number and is also too small to have any numbers evenly divided into it.
Yes. 6 is a divisor of 18, along with the numbers 1, 2, 3, 9 and 18. Each of these numbers can be divided evenly into 18.
2,3,4,6,8,12,24
1,11,19,209
The numbers that divide evenly into 18 are 1, 2, 3, 6, 9, 18, and the negative of each of those.