18212445

素因数分解:

$3^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{233}}^1$

素因数の和:443

約数の個数: 40

約数和(自身を含む): 32957496

約数和(自身を除く): 14745051

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 193, 233, 405, 579, 699, 965, 1165, 1737, 2097, 2895, 3495, 5211, 6291, 8685, 10485, 15633, 18873, 26055, 31455, 44969, 78165, 94365, 134907, 224845, 404721, 674535, 1214163, 2023605, 3642489, 6070815, 18212445]

約数ペア:

[(1, 18212445), (3, 6070815), (5, 3642489), (9, 2023605), (15, 1214163), (27, 674535), (45, 404721), (81, 224845), (135, 134907), (193, 94365), (233, 78165), (405, 44969), (579, 31455), (699, 26055), (965, 18873), (1165, 15633), (1737, 10485), (2097, 8685), (2895, 6291), (3495, 5211)]