19943508

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127843}}^1$

素因数の和:127863

約数の個数: 24

約数和(自身を含む): 50114848

約数和(自身を除く): 30171340

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 127843, 255686, 383529, 511372, 767058, 1534116, 1661959, 3323918, 4985877, 6647836, 9971754, 19943508]

約数ペア:

[(1, 19943508), (2, 9971754), (3, 6647836), (4, 4985877), (6, 3323918), (12, 1661959), (13, 1534116), (26, 767058), (39, 511372), (52, 383529), (78, 255686), (156, 127843)]