18099580

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{4289}}^1$

素因数の和:4509

約数の個数: 24

約数和(自身を含む): 38198160

約数和(自身を除く): 20098580

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 4289, 8578, 17156, 21445, 42890, 85780, 904979, 1809958, 3619916, 4524895, 9049790, 18099580]

約数ペア:

[(1, 18099580), (2, 9049790), (4, 4524895), (5, 3619916), (10, 1809958), (20, 904979), (211, 85780), (422, 42890), (844, 21445), (1055, 17156), (2110, 8578), (4220, 4289)]