18017812

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{63443}}^1$

素因数の和:63518

約数の個数: 12

約数和(自身を含む): 31975776

約数和(自身を除く): 13957964

約数列:

[1, 2, 4, 71, 142, 284, 63443, 126886, 253772, 4504453, 9008906, 18017812]

約数ペア:

[(1, 18017812), (2, 9008906), (4, 4504453), (71, 253772), (142, 126886), (284, 63443)]