12615620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{33199}}^1$

素因数の和:33227

約数の個数: 24

約数和(自身を含む): 27888000

約数和(自身を除く): 15272380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 33199, 66398, 132796, 165995, 331990, 630781, 663980, 1261562, 2523124, 3153905, 6307810, 12615620]

約数ペア:

[(1, 12615620), (2, 6307810), (4, 3153905), (5, 2523124), (10, 1261562), (19, 663980), (20, 630781), (38, 331990), (76, 165995), (95, 132796), (190, 66398), (380, 33199)]