19344969

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 33734272

約数和(自身を除く): 14389303

約数列:

[1, 3, 7, 9, 21, 37, 43, 63, 111, 129, 193, 259, 301, 333, 387, 579, 777, 903, 1351, 1591, 1737, 2331, 2709, 4053, 4773, 7141, 8299, 11137, 12159, 14319, 21423, 24897, 33411, 49987, 58093, 64269, 74691, 100233, 149961, 174279, 307063, 449883, 522837, 921189, 2149441, 2763567, 6448323, 19344969]

約数ペア:

[(1, 19344969), (3, 6448323), (7, 2763567), (9, 2149441), (21, 921189), (37, 522837), (43, 449883), (63, 307063), (111, 174279), (129, 149961), (193, 100233), (259, 74691), (301, 64269), (333, 58093), (387, 49987), (579, 33411), (777, 24897), (903, 21423), (1351, 14319), (1591, 12159), (1737, 11137), (2331, 8299), (2709, 7141), (4053, 4773)]