19261604

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{78941}}^1$

素因数の和:79006

約数の個数: 12

約数和(自身を含む): 34260828

約数和(自身を除く): 14999224

約数列:

[1, 2, 4, 61, 122, 244, 78941, 157882, 315764, 4815401, 9630802, 19261604]

約数ペア:

[(1, 19261604), (2, 9630802), (4, 4815401), (61, 315764), (122, 157882), (244, 78941)]