20188018

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1\times {\mathrm{839}}^1$

素因数の和:1121

約数の個数: 16

約数和(自身を含む): 31026240

約数和(自身を除く): 10838222

約数列:

[1, 2, 53, 106, 227, 454, 839, 1678, 12031, 24062, 44467, 88934, 190453, 380906, 10094009, 20188018]

約数ペア:

[(1, 20188018), (2, 10094009), (53, 380906), (106, 190453), (227, 88934), (454, 44467), (839, 24062), (1678, 12031)]