18220072359

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{269}}^1\times {\mathrm{2749}}^1$

素因数の和:3255

約数の個数: 32

約数和(自身を含む): 25090560000

約数和(自身を除く): 6870487641

約数列:

[1, 3, 43, 129, 191, 269, 573, 807, 2749, 8213, 8247, 11567, 24639, 34701, 51379, 118207, 154137, 354621, 525059, 739481, 1575177, 2209297, 2218443, 6627891, 22577537, 31797683, 67732611, 95393049, 141240871, 423722613, 6073357453, 18220072359]

約数ペア:

[(1, 18220072359), (3, 6073357453), (43, 423722613), (129, 141240871), (191, 95393049), (269, 67732611), (573, 31797683), (807, 22577537), (2749, 6627891), (8213, 2218443), (8247, 2209297), (11567, 1575177), (24639, 739481), (34701, 525059), (51379, 354621), (118207, 154137)]