18630365

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{647}}^1$

素因数の和:1108

約数の個数: 16

約数和(自身を含む): 24167808

約数和(自身を除く): 5537443

約数列:

[1, 5, 13, 65, 443, 647, 2215, 3235, 5759, 8411, 28795, 42055, 286621, 1433105, 3726073, 18630365]

約数ペア:

[(1, 18630365), (5, 3726073), (13, 1433105), (65, 286621), (443, 42055), (647, 28795), (2215, 8411), (3235, 5759)]