18381385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{2243}}^1$

素因数の和:2408

約数の個数: 16

約数和(自身を含む): 24235200

約数和(自身を除く): 5853815

約数列:

[1, 5, 11, 55, 149, 745, 1639, 2243, 8195, 11215, 24673, 123365, 334207, 1671035, 3676277, 18381385]

約数ペア:

[(1, 18381385), (5, 3676277), (11, 1671035), (55, 334207), (149, 123365), (745, 24673), (1639, 11215), (2243, 8195)]