18008228

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{14957}}^1$

素因数の和:15011

約数の個数: 24

約数和(自身を含む): 36856512

約数和(自身を除く): 18848284

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 14957, 29914, 59828, 104699, 209398, 418796, 643151, 1286302, 2572604, 4502057, 9004114, 18008228]

約数ペア:

[(1, 18008228), (2, 9004114), (4, 4502057), (7, 2572604), (14, 1286302), (28, 643151), (43, 418796), (86, 209398), (172, 104699), (301, 59828), (602, 29914), (1204, 14957)]