19988296

素因数分解:

$2^3\times {\mathrm{1549}}^1\times {\mathrm{1613}}^1$

素因数の和:3168

約数の個数: 16

約数和(自身を含む): 37525500

約数和(自身を除く): 17537204

約数列:

[1, 2, 4, 8, 1549, 1613, 3098, 3226, 6196, 6452, 12392, 12904, 2498537, 4997074, 9994148, 19988296]

約数ペア:

[(1, 19988296), (2, 9994148), (4, 4997074), (8, 2498537), (1549, 12904), (1613, 12392), (3098, 6452), (3226, 6196)]