20180406988

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{799921}}^1$

素因数の和:800002

約数の個数: 48

約数和(自身を含む): 43541354304

約数和(自身を除く): 23360947316

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 53, 68, 106, 119, 212, 238, 371, 476, 742, 901, 1484, 1802, 3604, 6307, 12614, 25228, 799921, 1599842, 3199684, 5599447, 11198894, 13598657, 22397788, 27197314, 42395813, 54394628, 84791626, 95190599, 169583252, 190381198, 296770691, 380762396, 593541382, 720728821, 1187082764, 1441457642, 2882915284, 5045101747, 10090203494, 20180406988]

約数ペア:

[(1, 20180406988), (2, 10090203494), (4, 5045101747), (7, 2882915284), (14, 1441457642), (17, 1187082764), (28, 720728821), (34, 593541382), (53, 380762396), (68, 296770691), (106, 190381198), (119, 169583252), (212, 95190599), (238, 84791626), (371, 54394628), (476, 42395813), (742, 27197314), (901, 22397788), (1484, 13598657), (1802, 11198894), (3604, 5599447), (6307, 3199684), (12614, 1599842), (25228, 799921)]