18319705

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{2441}}^1$

素因数の和:2544

約数の個数: 16

約数和(自身を含む): 23443200

約数和(自身を除く): 5123495

約数列:

[1, 5, 19, 79, 95, 395, 1501, 2441, 7505, 12205, 46379, 192839, 231895, 964195, 3663941, 18319705]

約数ペア:

[(1, 18319705), (5, 3663941), (19, 964195), (79, 231895), (95, 192839), (395, 46379), (1501, 12205), (2441, 7505)]