18181970

素因数分解:

$2^1\times 5^1\times {\mathrm{977}}^1\times {\mathrm{1861}}^1$

素因数の和:2845

約数の個数: 16

約数和(自身を含む): 32778648

約数和(自身を除く): 14596678

約数列:

[1, 2, 5, 10, 977, 1861, 1954, 3722, 4885, 9305, 9770, 18610, 1818197, 3636394, 9090985, 18181970]

約数ペア:

[(1, 18181970), (2, 9090985), (5, 3636394), (10, 1818197), (977, 18610), (1861, 9770), (1954, 9305), (3722, 4885)]