Question

uoc cua 18

Answer 1

Ư(18) = {1; 2; 3; 6; 9; 18}

Answer 2

Ư(18) = { 1 ; 2 ; 3 ; 6 ; 9 ; 18 }

Tick nha

Answer 3

Ư(18)={1,-1,2,-2,3,-3,6,-6,9,-9,18,-18}