18246808

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 35154000

約数和(自身を除く): 16907192

約数列:

[1, 2, 4, 8, 61, 122, 139, 244, 269, 278, 488, 538, 556, 1076, 1112, 2152, 8479, 16409, 16958, 32818, 33916, 37391, 65636, 67832, 74782, 131272, 149564, 299128, 2280851, 4561702, 9123404, 18246808]

約数ペア:

[(1, 18246808), (2, 9123404), (4, 4561702), (8, 2280851), (61, 299128), (122, 149564), (139, 131272), (244, 74782), (269, 67832), (278, 65636), (488, 37391), (538, 33916), (556, 32818), (1076, 16958), (1112, 16409), (2152, 8479)]