11987810

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{9151}}^1$

素因数の和:9289

約数の個数: 16

約数和(自身を含む): 21745152

約数和(自身を除く): 9757342

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 9151, 18302, 45755, 91510, 1198781, 2397562, 5993905, 11987810]

約数ペア:

[(1, 11987810), (2, 5993905), (5, 2397562), (10, 1198781), (131, 91510), (262, 45755), (655, 18302), (1310, 9151)]