17921826

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:208

約数の個数: 96

約数和(自身を含む): 45864000

約数和(自身を除く): 27942174

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 29, 38, 39, 57, 58, 78, 87, 114, 117, 139, 171, 174, 234, 247, 261, 278, 342, 377, 417, 494, 522, 551, 741, 754, 834, 1102, 1131, 1251, 1482, 1653, 1807, 2223, 2262, 2502, 2641, 3306, 3393, 3614, 4031, 4446, 4959, 5282, 5421, 6786, 7163, 7923, 8062, 9918, 10842, 12093, 14326, 15846, 16263, 21489, 23769, 24186, 32526, 34333, 36279, 42978, 47538, 52403, 64467, 68666, 72558, 76589, 102999, 104806, 128934, 153178, 157209, 205998, 229767, 308997, 314418, 459534, 471627, 617994, 689301, 943254, 995657, 1378602, 1991314, 2986971, 5973942, 8960913, 17921826]

約数ペア:

[(1, 17921826), (2, 8960913), (3, 5973942), (6, 2986971), (9, 1991314), (13, 1378602), (18, 995657), (19, 943254), (26, 689301), (29, 617994), (38, 471627), (39, 459534), (57, 314418), (58, 308997), (78, 229767), (87, 205998), (114, 157209), (117, 153178), (139, 128934), (171, 104806), (174, 102999), (234, 76589), (247, 72558), (261, 68666), (278, 64467), (342, 52403), (377, 47538), (417, 42978), (494, 36279), (522, 34333), (551, 32526), (741, 24186), (754, 23769), (834, 21489), (1102, 16263), (1131, 15846), (1251, 14326), (1482, 12093), (1653, 10842), (1807, 9918), (2223, 8062), (2262, 7923), (2502, 7163), (2641, 6786), (3306, 5421), (3393, 5282), (3614, 4959), (4031, 4446)]