20187934568

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{13903}}^1$

素因数の和:14202

約数の個数: 64

約数和(自身を含む): 40994553600

約数和(自身を除く): 20806619032

約数列:

[1, 2, 4, 8, 19, 38, 41, 76, 82, 152, 164, 233, 328, 466, 779, 932, 1558, 1864, 3116, 4427, 6232, 8854, 9553, 13903, 17708, 19106, 27806, 35416, 38212, 55612, 76424, 111224, 181507, 264157, 363014, 528314, 570023, 726028, 1056628, 1140046, 1452056, 2113256, 2280092, 3239399, 4560184, 6478798, 10830437, 12957596, 21660874, 25915192, 43321748, 61548581, 86643496, 123097162, 132815359, 246194324, 265630718, 492388648, 531261436, 1062522872, 2523491821, 5046983642, 10093967284, 20187934568]

約数ペア:

[(1, 20187934568), (2, 10093967284), (4, 5046983642), (8, 2523491821), (19, 1062522872), (38, 531261436), (41, 492388648), (76, 265630718), (82, 246194324), (152, 132815359), (164, 123097162), (233, 86643496), (328, 61548581), (466, 43321748), (779, 25915192), (932, 21660874), (1558, 12957596), (1864, 10830437), (3116, 6478798), (4427, 4560184), (6232, 3239399), (8854, 2280092), (9553, 2113256), (13903, 1452056), (17708, 1140046), (19106, 1056628), (27806, 726028), (35416, 570023), (38212, 528314), (55612, 363014), (76424, 264157), (111224, 181507)]