18707297

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{227}}^1$

素因数の和:488

約数の個数: 16

約数和(自身を含む): 21939072

約数和(自身を除く): 3231775

約数列:

[1, 7, 61, 193, 227, 427, 1351, 1589, 11773, 13847, 43811, 82411, 96929, 306677, 2672471, 18707297]

約数ペア:

[(1, 18707297), (7, 2672471), (61, 306677), (193, 96929), (227, 82411), (427, 43811), (1351, 13847), (1589, 11773)]