19667830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21613}}^1$

素因数の和:21640

約数の個数: 32

約数和(自身を含む): 43573824

約数和(自身を除く): 23905994

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 21613, 43226, 108065, 151291, 216130, 280969, 302582, 561938, 756455, 1404845, 1512910, 1966783, 2809690, 3933566, 9833915, 19667830]

約数ペア:

[(1, 19667830), (2, 9833915), (5, 3933566), (7, 2809690), (10, 1966783), (13, 1512910), (14, 1404845), (26, 756455), (35, 561938), (65, 302582), (70, 280969), (91, 216130), (130, 151291), (182, 108065), (455, 43226), (910, 21613)]