18126280

素因数分解:

$2^3\times 5^1\times {\mathrm{453157}}^1$

素因数の和:453168

約数の個数: 16

約数和(自身を含む): 40784220

約数和(自身を除く): 22657940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 453157, 906314, 1812628, 2265785, 3625256, 4531570, 9063140, 18126280]

約数ペア:

[(1, 18126280), (2, 9063140), (4, 4531570), (5, 3625256), (8, 2265785), (10, 1812628), (20, 906314), (40, 453157)]