18005665

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{5399}}^1$

素因数の和:5456

約数の個数: 16

約数和(自身を含む): 23328000

約数和(自身を除く): 5322335

約数列:

[1, 5, 23, 29, 115, 145, 667, 3335, 5399, 26995, 124177, 156571, 620885, 782855, 3601133, 18005665]

約数ペア:

[(1, 18005665), (5, 3601133), (23, 782855), (29, 620885), (115, 156571), (145, 124177), (667, 26995), (3335, 5399)]