2019911375

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{3529}}^1$

素因数の和:3804

約数の個数: 32

約数和(自身を含む): 2665291200

約数和(自身を除く): 645379825

約数列:

[1, 5, 19, 25, 95, 125, 241, 475, 1205, 2375, 3529, 4579, 6025, 17645, 22895, 30125, 67051, 88225, 114475, 335255, 441125, 572375, 850489, 1676275, 4252445, 8381375, 16159291, 21262225, 80796455, 106311125, 403982275, 2019911375]

約数ペア:

[(1, 2019911375), (5, 403982275), (19, 106311125), (25, 80796455), (95, 21262225), (125, 16159291), (241, 8381375), (475, 4252445), (1205, 1676275), (2375, 850489), (3529, 572375), (4579, 441125), (6025, 335255), (17645, 114475), (22895, 88225), (30125, 67051)]