18664920508

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{953}}^1\times {\mathrm{2399}}^1$

素因数の和:3526

約数の個数: 48

約数和(自身を含む): 35452166400

約数和(自身を除く): 16787245892

約数列:

[1, 2, 4, 13, 26, 52, 157, 314, 628, 953, 1906, 2041, 2399, 3812, 4082, 4798, 8164, 9596, 12389, 24778, 31187, 49556, 62374, 124748, 149621, 299242, 376643, 598484, 753286, 1506572, 1945073, 2286247, 3890146, 4572494, 4896359, 7780292, 9144988, 9792718, 19585436, 29721211, 59442422, 118884844, 358940779, 717881558, 1435763116, 4666230127, 9332460254, 18664920508]

約数ペア:

[(1, 18664920508), (2, 9332460254), (4, 4666230127), (13, 1435763116), (26, 717881558), (52, 358940779), (157, 118884844), (314, 59442422), (628, 29721211), (953, 19585436), (1906, 9792718), (2041, 9144988), (2399, 7780292), (3812, 4896359), (4082, 4572494), (4798, 3890146), (8164, 2286247), (9596, 1945073), (12389, 1506572), (24778, 753286), (31187, 598484), (49556, 376643), (62374, 299242), (124748, 149621)]