18491572

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{420263}}^1$

素因数の和:420278

約数の個数: 12

約数和(自身を含む): 35302176

約数和(自身を除く): 16810604

約数列:

[1, 2, 4, 11, 22, 44, 420263, 840526, 1681052, 4622893, 9245786, 18491572]

約数ペア:

[(1, 18491572), (2, 9245786), (4, 4622893), (11, 1681052), (22, 840526), (44, 420263)]