19841510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 42033600

約数和(自身を除く): 22192090

約数列:

[1, 2, 5, 10, 13, 19, 26, 29, 38, 58, 65, 95, 130, 145, 190, 247, 277, 290, 377, 494, 551, 554, 754, 1102, 1235, 1385, 1885, 2470, 2755, 2770, 3601, 3770, 5263, 5510, 7163, 7202, 8033, 10526, 14326, 16066, 18005, 26315, 35815, 36010, 40165, 52630, 68419, 71630, 80330, 104429, 136838, 152627, 208858, 305254, 342095, 522145, 684190, 763135, 1044290, 1526270, 1984151, 3968302, 9920755, 19841510]

約数ペア:

[(1, 19841510), (2, 9920755), (5, 3968302), (10, 1984151), (13, 1526270), (19, 1044290), (26, 763135), (29, 684190), (38, 522145), (58, 342095), (65, 305254), (95, 208858), (130, 152627), (145, 136838), (190, 104429), (247, 80330), (277, 71630), (290, 68419), (377, 52630), (494, 40165), (551, 36010), (554, 35815), (754, 26315), (1102, 18005), (1235, 16066), (1385, 14326), (1885, 10526), (2470, 8033), (2755, 7202), (2770, 7163), (3601, 5510), (3770, 5263)]