18705526

素因数分解:

$2^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{12487}}^1$

素因数の和:12603

約数の個数: 16

約数和(自身を含む): 32368896

約数和(自身を除く): 13663370

約数列:

[1, 2, 7, 14, 107, 214, 749, 1498, 12487, 24974, 87409, 174818, 1336109, 2672218, 9352763, 18705526]

約数ペア:

[(1, 18705526), (2, 9352763), (7, 2672218), (14, 1336109), (107, 174818), (214, 87409), (749, 24974), (1498, 12487)]