The opposite of dilation in math is contraction
A non-factor.
math.
The math factor pairs of 18 are (1,18) , (2,9) , (3,6) .
The opposite of x is -x.For example,the opposite of three is -3.The opposite of a negative number is positive.Fore example,the opposite of -7 is 7.
non-factor
The opposite of the word 'pitiful' is 'fortunate'.
'The root of'
3.7
I believe the opposite of a factor is a multiple.
divide
Multiplication