19674999

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{241}}^1$

素因数の和:487

約数の個数: 24

約数和(自身を含む): 29295552

約数和(自身を除く): 9620553

約数列:

[1, 3, 9, 47, 141, 193, 241, 423, 579, 723, 1737, 2169, 9071, 11327, 27213, 33981, 46513, 81639, 101943, 139539, 418617, 2186111, 6558333, 19674999]

約数ペア:

[(1, 19674999), (3, 6558333), (9, 2186111), (47, 418617), (141, 139539), (193, 101943), (241, 81639), (423, 46513), (579, 33981), (723, 27213), (1737, 11327), (2169, 9071)]