2019433775

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{19891}}^1$

素因数の和:20063

約数の個数: 24

約数和(自身を含む): 2604738048

約数和(自身を除く): 585304273

約数列:

[1, 5, 25, 31, 131, 155, 655, 775, 3275, 4061, 19891, 20305, 99455, 101525, 497275, 616621, 2605721, 3083105, 13028605, 15415525, 65143025, 80777351, 403886755, 2019433775]

約数ペア:

[(1, 2019433775), (5, 403886755), (25, 80777351), (31, 65143025), (131, 15415525), (155, 13028605), (655, 3083105), (775, 2605721), (3275, 616621), (4061, 497275), (19891, 101525), (20305, 99455)]