19870295

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{5653}}^1$

素因数の和:5714

約数の個数: 16

約数和(自身を含む): 25782240

約数和(自身を除く): 5911945

約数列:

[1, 5, 19, 37, 95, 185, 703, 3515, 5653, 28265, 107407, 209161, 537035, 1045805, 3974059, 19870295]

約数ペア:

[(1, 19870295), (5, 3974059), (19, 1045805), (37, 537035), (95, 209161), (185, 107407), (703, 28265), (3515, 5653)]