18200138

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43541}}^1$

素因数の和:43573

約数の個数: 16

約数和(自身を含む): 31350240

約数和(自身を除く): 13150102

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 43541, 87082, 478951, 827279, 957902, 1654558, 9100069, 18200138]

約数ペア:

[(1, 18200138), (2, 9100069), (11, 1654558), (19, 957902), (22, 827279), (38, 478951), (209, 87082), (418, 43541)]