19626495

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:200

約数の個数: 64

約数和(自身を含む): 37933056

約数和(自身を除く): 18306561

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 47, 97, 105, 123, 141, 205, 235, 287, 291, 329, 485, 615, 679, 705, 861, 987, 1435, 1455, 1645, 1927, 2037, 3395, 3977, 4305, 4559, 4935, 5781, 9635, 10185, 11931, 13489, 13677, 19885, 22795, 27839, 28905, 31913, 40467, 59655, 67445, 68385, 83517, 95739, 139195, 159565, 186919, 202335, 417585, 478695, 560757, 934595, 1308433, 2803785, 3925299, 6542165, 19626495]

約数ペア:

[(1, 19626495), (3, 6542165), (5, 3925299), (7, 2803785), (15, 1308433), (21, 934595), (35, 560757), (41, 478695), (47, 417585), (97, 202335), (105, 186919), (123, 159565), (141, 139195), (205, 95739), (235, 83517), (287, 68385), (291, 67445), (329, 59655), (485, 40467), (615, 31913), (679, 28905), (705, 27839), (861, 22795), (987, 19885), (1435, 13677), (1455, 13489), (1645, 11931), (1927, 10185), (2037, 9635), (3395, 5781), (3977, 4935), (4305, 4559)]