18547945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4259}}^1$

素因数の和:4344

約数の個数: 16

約数和(自身を含む): 24333120

約数和(自身を除く): 5785175

約数列:

[1, 5, 13, 65, 67, 335, 871, 4259, 4355, 21295, 55367, 276835, 285353, 1426765, 3709589, 18547945]

約数ペア:

[(1, 18547945), (5, 3709589), (13, 1426765), (65, 285353), (67, 276835), (335, 55367), (871, 21295), (4259, 4355)]