18683386

素因数分解:

$2^1\times {\mathrm{163}}^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1$

素因数の和:645

約数の個数: 16

約数和(自身を含む): 28433664

約数和(自身を除く): 9750278

約数列:

[1, 2, 163, 223, 257, 326, 446, 514, 36349, 41891, 57311, 72698, 83782, 114622, 9341693, 18683386]

約数ペア:

[(1, 18683386), (2, 9341693), (163, 114622), (223, 83782), (257, 72698), (326, 57311), (446, 41891), (514, 36349)]