12847420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{33809}}^1$

素因数の和:33837

約数の個数: 24

約数和(自身を含む): 28400400

約数和(自身を除く): 15552980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 33809, 67618, 135236, 169045, 338090, 642371, 676180, 1284742, 2569484, 3211855, 6423710, 12847420]

約数ペア:

[(1, 12847420), (2, 6423710), (4, 3211855), (5, 2569484), (10, 1284742), (19, 676180), (20, 642371), (38, 338090), (76, 169045), (95, 135236), (190, 67618), (380, 33809)]