18428852

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{354401}}^1$

素因数の和:354418

約数の個数: 12

約数和(自身を含む): 34731396

約数和(自身を除く): 16302544

約数列:

[1, 2, 4, 13, 26, 52, 354401, 708802, 1417604, 4607213, 9214426, 18428852]

約数ペア:

[(1, 18428852), (2, 9214426), (4, 4607213), (13, 1417604), (26, 708802), (52, 354401)]