19417604

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{285553}}^1$

素因数の和:285574

約数の個数: 12

約数和(自身を含む): 35979804

約数和(自身を除く): 16562200

約数列:

[1, 2, 4, 17, 34, 68, 285553, 571106, 1142212, 4854401, 9708802, 19417604]

約数ペア:

[(1, 19417604), (2, 9708802), (4, 4854401), (17, 1142212), (34, 571106), (68, 285553)]