2019907755

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{632209}}^1$

素因数の和:632291

約数の個数: 24

約数和(自身を含む): 3550491360

約数和(自身を除く): 1530583605

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 632209, 1896627, 3161045, 5689881, 9483135, 28449405, 44886839, 134660517, 224434195, 403981551, 673302585, 2019907755]

約数ペア:

[(1, 2019907755), (3, 673302585), (5, 403981551), (9, 224434195), (15, 134660517), (45, 44886839), (71, 28449405), (213, 9483135), (355, 5689881), (639, 3161045), (1065, 1896627), (3195, 632209)]