1993259619

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{1997}}^1$

素因数の和:2484

約数の個数: 48

約数和(自身を含む): 3272724000

約数和(自身を除く): 1279464381

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 449, 741, 1347, 1997, 2223, 4041, 5837, 5991, 8531, 17511, 17973, 25593, 25961, 37943, 52533, 76779, 77883, 110903, 113829, 233649, 332709, 341487, 493259, 896653, 998127, 1479777, 2689959, 4439331, 8069877, 11656489, 17036407, 34969467, 51109221, 104908401, 153327663, 221473291, 664419873, 1993259619]

約数ペア:

[(1, 1993259619), (3, 664419873), (9, 221473291), (13, 153327663), (19, 104908401), (39, 51109221), (57, 34969467), (117, 17036407), (171, 11656489), (247, 8069877), (449, 4439331), (741, 2689959), (1347, 1479777), (1997, 998127), (2223, 896653), (4041, 493259), (5837, 341487), (5991, 332709), (8531, 233649), (17511, 113829), (17973, 110903), (25593, 77883), (25961, 76779), (37943, 52533)]