18557686

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{12161}}^1$

素因数の和:12279

約数の個数: 16

約数和(自身を含む): 32107680

約数和(自身を除く): 13549994

約数列:

[1, 2, 7, 14, 109, 218, 763, 1526, 12161, 24322, 85127, 170254, 1325549, 2651098, 9278843, 18557686]

約数ペア:

[(1, 18557686), (2, 9278843), (7, 2651098), (14, 1325549), (109, 170254), (218, 85127), (763, 24322), (1526, 12161)]