18806337

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{21107}}^1$

素因数の和:21130

約数の個数: 20

約数和(自身を含む): 30648816

約数和(自身を除く): 11842479

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 21107, 63321, 189963, 232177, 569889, 696531, 1709667, 2089593, 6268779, 18806337]

約数ペア:

[(1, 18806337), (3, 6268779), (9, 2089593), (11, 1709667), (27, 696531), (33, 569889), (81, 232177), (99, 189963), (297, 63321), (891, 21107)]