12804512395

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1898371}}^1$

素因数の和:1898466

約数の個数: 16

約数和(自身を含む): 16401934080

約数和(自身を除く): 3597421685

約数列:

[1, 5, 19, 71, 95, 355, 1349, 6745, 1898371, 9491855, 36069049, 134784341, 180345245, 673921705, 2560902479, 12804512395]

約数ペア:

[(1, 12804512395), (5, 2560902479), (19, 673921705), (71, 180345245), (95, 134784341), (355, 36069049), (1349, 9491855), (6745, 1898371)]