18808456

素因数分解:

$2^3\times {\mathrm{131}}^2\times {\mathrm{137}}^1$

素因数の和:405

約数の個数: 24

約数和(自身を含む): 35796510

約数和(自身を除く): 16988054

約数列:

[1, 2, 4, 8, 131, 137, 262, 274, 524, 548, 1048, 1096, 17161, 17947, 34322, 35894, 68644, 71788, 137288, 143576, 2351057, 4702114, 9404228, 18808456]

約数ペア:

[(1, 18808456), (2, 9404228), (4, 4702114), (8, 2351057), (131, 143576), (137, 137288), (262, 71788), (274, 68644), (524, 35894), (548, 34322), (1048, 17947), (1096, 17161)]