18205497

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{223}}^1$

素因数の和:469

約数の個数: 24

約数和(自身を含む): 27116544

約数和(自身を除く): 8911047

約数列:

[1, 3, 9, 47, 141, 193, 223, 423, 579, 669, 1737, 2007, 9071, 10481, 27213, 31443, 43039, 81639, 94329, 129117, 387351, 2022833, 6068499, 18205497]

約数ペア:

[(1, 18205497), (3, 6068499), (9, 2022833), (47, 387351), (141, 129117), (193, 94329), (223, 81639), (423, 43039), (579, 31443), (669, 27213), (1737, 10481), (2007, 9071)]