19287918

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{593}}^1$

素因数の和:753

約数の個数: 48

約数和(自身を含む): 45405360

約数和(自身を除く): 26117442

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 139, 234, 278, 417, 593, 834, 1186, 1251, 1779, 1807, 2502, 3558, 3614, 5337, 5421, 7709, 10674, 10842, 15418, 16263, 23127, 32526, 46254, 69381, 82427, 138762, 164854, 247281, 494562, 741843, 1071551, 1483686, 2143102, 3214653, 6429306, 9643959, 19287918]

約数ペア:

[(1, 19287918), (2, 9643959), (3, 6429306), (6, 3214653), (9, 2143102), (13, 1483686), (18, 1071551), (26, 741843), (39, 494562), (78, 247281), (117, 164854), (139, 138762), (234, 82427), (278, 69381), (417, 46254), (593, 32526), (834, 23127), (1186, 16263), (1251, 15418), (1779, 10842), (1807, 10674), (2502, 7709), (3558, 5421), (3614, 5337)]