2019908995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{839879}}^1$

素因数の和:839934

約数の個数: 16

約数和(自身を含む): 2680896960

約数和(自身を除く): 660987965

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 839879, 4199395, 10918427, 31075523, 54592135, 155377615, 403981799, 2019908995]

約数ペア:

[(1, 2019908995), (5, 403981799), (13, 155377615), (37, 54592135), (65, 31075523), (185, 10918427), (481, 4199395), (2405, 839879)]