19338020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74377}}^1$

素因数の和:74399

約数の個数: 24

約数和(自身を含む): 43734264

約数和(自身を除く): 24396244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 74377, 148754, 297508, 371885, 743770, 966901, 1487540, 1933802, 3867604, 4834505, 9669010, 19338020]

約数ペア:

[(1, 19338020), (2, 9669010), (4, 4834505), (5, 3867604), (10, 1933802), (13, 1487540), (20, 966901), (26, 743770), (52, 371885), (65, 297508), (130, 148754), (260, 74377)]