18647408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2423}}^1$

素因数の和:2481

約数の個数: 40

約数和(自身を含む): 39976608

約数和(自身を除く): 21329200

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 208, 296, 481, 592, 962, 1924, 2423, 3848, 4846, 7696, 9692, 19384, 31499, 38768, 62998, 89651, 125996, 179302, 251992, 358604, 503984, 717208, 1165463, 1434416, 2330926, 4661852, 9323704, 18647408]

約数ペア:

[(1, 18647408), (2, 9323704), (4, 4661852), (8, 2330926), (13, 1434416), (16, 1165463), (26, 717208), (37, 503984), (52, 358604), (74, 251992), (104, 179302), (148, 125996), (208, 89651), (296, 62998), (481, 38768), (592, 31499), (962, 19384), (1924, 9692), (2423, 7696), (3848, 4846)]