19657186568

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{167}}^1\times {\mathrm{199}}^1\times {\mathrm{691}}^1$

素因数の和:1170

約数の個数: 64

約数和(自身を含む): 37666944000

約数和(自身を除く): 18009757432

約数列:

[1, 2, 4, 8, 107, 167, 199, 214, 334, 398, 428, 668, 691, 796, 856, 1336, 1382, 1592, 2764, 5528, 17869, 21293, 33233, 35738, 42586, 66466, 71476, 73937, 85172, 115397, 132932, 137509, 142952, 147874, 170344, 230794, 265864, 275018, 295748, 461588, 550036, 591496, 923176, 1100072, 3555931, 7111862, 12347479, 14223724, 14713463, 22964003, 24694958, 28447448, 29426926, 45928006, 49389916, 58853852, 91856012, 98779832, 117707704, 183712024, 2457148321, 4914296642, 9828593284, 19657186568]

約数ペア:

[(1, 19657186568), (2, 9828593284), (4, 4914296642), (8, 2457148321), (107, 183712024), (167, 117707704), (199, 98779832), (214, 91856012), (334, 58853852), (398, 49389916), (428, 45928006), (668, 29426926), (691, 28447448), (796, 24694958), (856, 22964003), (1336, 14713463), (1382, 14223724), (1592, 12347479), (2764, 7111862), (5528, 3555931), (17869, 1100072), (21293, 923176), (33233, 591496), (35738, 550036), (42586, 461588), (66466, 295748), (71476, 275018), (73937, 265864), (85172, 230794), (115397, 170344), (132932, 147874), (137509, 142952)]