18212390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{4909}}^1$

素因数の和:4976

約数の個数: 32

約数和(自身を含む): 38180160

約数和(自身を除く): 19967770

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 265, 371, 530, 742, 1855, 3710, 4909, 9818, 24545, 34363, 49090, 68726, 171815, 260177, 343630, 520354, 1300885, 1821239, 2601770, 3642478, 9106195, 18212390]

約数ペア:

[(1, 18212390), (2, 9106195), (5, 3642478), (7, 2601770), (10, 1821239), (14, 1300885), (35, 520354), (53, 343630), (70, 260177), (106, 171815), (265, 68726), (371, 49090), (530, 34363), (742, 24545), (1855, 9818), (3710, 4909)]