18238995

素因数分解:

$3^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{1129}}^1$

素因数の和:1499

約数の個数: 24

約数和(自身を含む): 31730400

約数和(自身を除く): 13491405

約数列:

[1, 3, 5, 9, 15, 45, 359, 1077, 1129, 1795, 3231, 3387, 5385, 5645, 10161, 16155, 16935, 50805, 405311, 1215933, 2026555, 3647799, 6079665, 18238995]

約数ペア:

[(1, 18238995), (3, 6079665), (5, 3647799), (9, 2026555), (15, 1215933), (45, 405311), (359, 50805), (1077, 16935), (1129, 16155), (1795, 10161), (3231, 5645), (3387, 5385)]