19516835

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4229}}^1$

素因数の和:4318

約数の個数: 16

約数和(自身を含む): 25583040

約数和(自身を除く): 6066205

約数列:

[1, 5, 13, 65, 71, 355, 923, 4229, 4615, 21145, 54977, 274885, 300259, 1501295, 3903367, 19516835]

約数ペア:

[(1, 19516835), (5, 3903367), (13, 1501295), (65, 300259), (71, 274885), (355, 54977), (923, 21145), (4229, 4615)]