18865886

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{42683}}^1$

素因数の和:42715

約数の個数: 16

約数和(自身を含む): 32269104

約数和(自身を除く): 13403218

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 42683, 85366, 554879, 725611, 1109758, 1451222, 9432943, 18865886]

約数ペア:

[(1, 18865886), (2, 9432943), (13, 1451222), (17, 1109758), (26, 725611), (34, 554879), (221, 85366), (442, 42683)]