18985226

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{42953}}^1$

素因数の和:42985

約数の個数: 16

約数和(自身を含む): 32473224

約数和(自身を除く): 13487998

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 42953, 85906, 558389, 730201, 1116778, 1460402, 9492613, 18985226]

約数ペア:

[(1, 18985226), (2, 9492613), (13, 1460402), (17, 1116778), (26, 730201), (34, 558389), (221, 85906), (442, 42953)]