18579902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{1621}}^1$

素因数の和:2155

約数の個数: 16

約数和(自身を含む): 30480624

約数和(自身を除く): 11900722

約数列:

[1, 2, 11, 22, 521, 1042, 1621, 3242, 5731, 11462, 17831, 35662, 844541, 1689082, 9289951, 18579902]

約数ペア:

[(1, 18579902), (2, 9289951), (11, 1689082), (22, 844541), (521, 35662), (1042, 17831), (1621, 11462), (3242, 5731)]