Question

a) os divisores de 40
b) os divisores de 18

Answer 1

A) 8, 10. 20, 40.
B) 1, 2, 3, 6, 9, 18

Answer 2

40-2
20-2
10-2
5-5
1-2×3×5

18-2
9-3
6-3
3-3
1-2×3×3×3