19180467

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{241}}^1$

素因数の和:523

約数の個数: 24

約数和(自身を含む): 28691520

約数和(自身を除く): 9511053

約数列:

[1, 3, 9, 37, 111, 239, 241, 333, 717, 723, 2151, 2169, 8843, 8917, 26529, 26751, 57599, 79587, 80253, 172797, 518391, 2131163, 6393489, 19180467]

約数ペア:

[(1, 19180467), (3, 6393489), (9, 2131163), (37, 518391), (111, 172797), (239, 80253), (241, 79587), (333, 57599), (717, 26751), (723, 26529), (2151, 8917), (2169, 8843)]