19819770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{660659}}^1$

素因数の和:660669

約数の個数: 16

約数和(自身を含む): 47567520

約数和(自身を除く): 27747750

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 660659, 1321318, 1981977, 3303295, 3963954, 6606590, 9909885, 19819770]

約数ペア:

[(1, 19819770), (2, 9909885), (3, 6606590), (5, 3963954), (6, 3303295), (10, 1981977), (15, 1321318), (30, 660659)]