2018858680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{56519}}^1$

素因数の和:56596

約数の個数: 64

約数和(自身を含む): 4883328000

約数和(自身を除く): 2864469320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 152, 188, 190, 235, 376, 380, 470, 760, 893, 940, 1786, 1880, 3572, 4465, 7144, 8930, 17860, 35720, 56519, 113038, 226076, 282595, 452152, 565190, 1073861, 1130380, 2147722, 2260760, 2656393, 4295444, 5312786, 5369305, 8590888, 10625572, 10738610, 13281965, 21251144, 21477220, 26563930, 42954440, 50471467, 53127860, 100942934, 106255720, 201885868, 252357335, 403771736, 504714670, 1009429340, 2018858680]

約数ペア:

[(1, 2018858680), (2, 1009429340), (4, 504714670), (5, 403771736), (8, 252357335), (10, 201885868), (19, 106255720), (20, 100942934), (38, 53127860), (40, 50471467), (47, 42954440), (76, 26563930), (94, 21477220), (95, 21251144), (152, 13281965), (188, 10738610), (190, 10625572), (235, 8590888), (376, 5369305), (380, 5312786), (470, 4295444), (760, 2656393), (893, 2260760), (940, 2147722), (1786, 1130380), (1880, 1073861), (3572, 565190), (4465, 452152), (7144, 282595), (8930, 226076), (17860, 113038), (35720, 56519)]