19939764

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127819}}^1$

素因数の和:127839

約数の個数: 24

約数和(自身を含む): 50105440

約数和(自身を除く): 30165676

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 127819, 255638, 383457, 511276, 766914, 1533828, 1661647, 3323294, 4984941, 6646588, 9969882, 19939764]

約数ペア:

[(1, 19939764), (2, 9969882), (3, 6646588), (4, 4984941), (6, 3323294), (12, 1661647), (13, 1533828), (26, 766914), (39, 511276), (52, 383457), (78, 255638), (156, 127819)]