18801477830

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{217333}}^1$

素因数の和:217592

約数の個数: 32

約数和(自身を含む): 34832554848

約数和(自身を除く): 16031077018

約数列:

[1, 2, 5, 10, 41, 82, 205, 211, 410, 422, 1055, 2110, 8651, 17302, 43255, 86510, 217333, 434666, 1086665, 2173330, 8910653, 17821306, 44553265, 45857263, 89106530, 91714526, 229286315, 458572630, 1880147783, 3760295566, 9400738915, 18801477830]

約数ペア:

[(1, 18801477830), (2, 9400738915), (5, 3760295566), (10, 1880147783), (41, 458572630), (82, 229286315), (205, 91714526), (211, 89106530), (410, 45857263), (422, 44553265), (1055, 17821306), (2110, 8910653), (8651, 2173330), (17302, 1086665), (43255, 434666), (86510, 217333)]