19863857

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{677}}^1$

素因数の和:788

約数の個数: 16

約数和(自身を含む): 22363152

約数和(自身を除く): 2499295

約数列:

[1, 13, 37, 61, 481, 677, 793, 2257, 8801, 25049, 29341, 41297, 325637, 536861, 1527989, 19863857]

約数ペア:

[(1, 19863857), (13, 1527989), (37, 536861), (61, 325637), (481, 41297), (677, 29341), (793, 25049), (2257, 8801)]