19711380272

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1\times {\mathrm{2137}}^1$

素因数の和:2470

約数の個数: 80

約数和(自身を含む): 40116747840

約数和(自身を除く): 20405367568

約数列:

[1, 2, 4, 8, 16, 29, 58, 103, 116, 193, 206, 232, 386, 412, 464, 772, 824, 1544, 1648, 2137, 2987, 3088, 4274, 5597, 5974, 8548, 11194, 11948, 17096, 19879, 22388, 23896, 34192, 39758, 44776, 47792, 61973, 79516, 89552, 123946, 159032, 220111, 247892, 318064, 412441, 440222, 495784, 576491, 824882, 880444, 991568, 1152982, 1649764, 1760888, 2305964, 3299528, 3521776, 4611928, 6383219, 6599056, 9223856, 11960789, 12766438, 23921578, 25532876, 42481423, 47843156, 51065752, 84962846, 95686312, 102131504, 169925692, 191372624, 339851384, 679702768, 1231961267, 2463922534, 4927845068, 9855690136, 19711380272]

約数ペア:

[(1, 19711380272), (2, 9855690136), (4, 4927845068), (8, 2463922534), (16, 1231961267), (29, 679702768), (58, 339851384), (103, 191372624), (116, 169925692), (193, 102131504), (206, 95686312), (232, 84962846), (386, 51065752), (412, 47843156), (464, 42481423), (772, 25532876), (824, 23921578), (1544, 12766438), (1648, 11960789), (2137, 9223856), (2987, 6599056), (3088, 6383219), (4274, 4611928), (5597, 3521776), (5974, 3299528), (8548, 2305964), (11194, 1760888), (11948, 1649764), (17096, 1152982), (19879, 991568), (22388, 880444), (23896, 824882), (34192, 576491), (39758, 495784), (44776, 440222), (47792, 412441), (61973, 318064), (79516, 247892), (89552, 220111), (123946, 159032)]