18737764

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{1103}}^1$

素因数の和:1275

約数の個数: 24

約数和(自身を含む): 34126848

約数和(自身を除く): 15389084

約数列:

[1, 2, 4, 31, 62, 124, 137, 274, 548, 1103, 2206, 4247, 4412, 8494, 16988, 34193, 68386, 136772, 151111, 302222, 604444, 4684441, 9368882, 18737764]

約数ペア:

[(1, 18737764), (2, 9368882), (4, 4684441), (31, 604444), (62, 302222), (124, 151111), (137, 136772), (274, 68386), (548, 34193), (1103, 16988), (2206, 8494), (4247, 4412)]