18508336

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:290

約数の個数: 80

約数和(自身を含む): 45497088

約数和(自身を除く): 26988752

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 83, 88, 112, 154, 166, 176, 181, 308, 332, 362, 581, 616, 664, 724, 913, 1162, 1232, 1267, 1328, 1448, 1826, 1991, 2324, 2534, 2896, 3652, 3982, 4648, 5068, 6391, 7304, 7964, 9296, 10136, 12782, 13937, 14608, 15023, 15928, 20272, 25564, 27874, 30046, 31856, 51128, 55748, 60092, 102256, 105161, 111496, 120184, 165253, 210322, 222992, 240368, 330506, 420644, 661012, 841288, 1156771, 1322024, 1682576, 2313542, 2644048, 4627084, 9254168, 18508336]

約数ペア:

[(1, 18508336), (2, 9254168), (4, 4627084), (7, 2644048), (8, 2313542), (11, 1682576), (14, 1322024), (16, 1156771), (22, 841288), (28, 661012), (44, 420644), (56, 330506), (77, 240368), (83, 222992), (88, 210322), (112, 165253), (154, 120184), (166, 111496), (176, 105161), (181, 102256), (308, 60092), (332, 55748), (362, 51128), (581, 31856), (616, 30046), (664, 27874), (724, 25564), (913, 20272), (1162, 15928), (1232, 15023), (1267, 14608), (1328, 13937), (1448, 12782), (1826, 10136), (1991, 9296), (2324, 7964), (2534, 7304), (2896, 6391), (3652, 5068), (3982, 4648)]