2019925505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{437687}}^1$

素因数の和:437776

約数の個数: 16

約数和(自身を含む): 2647137024

約数和(自身を除く): 627211519

約数列:

[1, 5, 13, 65, 71, 355, 923, 4615, 437687, 2188435, 5689931, 28449655, 31075777, 155378885, 403985101, 2019925505]

約数ペア:

[(1, 2019925505), (5, 403985101), (13, 155378885), (65, 31075777), (71, 28449655), (355, 5689931), (923, 2188435), (4615, 437687)]