19577920

素因数分解:

$2^6\times 5^1\times {\mathrm{193}}^1\times {\mathrm{317}}^1$

素因数の和:527

約数の個数: 56

約数和(自身を含む): 47009304

約数和(自身を除く): 27431384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 193, 317, 320, 386, 634, 772, 965, 1268, 1544, 1585, 1930, 2536, 3088, 3170, 3860, 5072, 6176, 6340, 7720, 10144, 12352, 12680, 15440, 20288, 25360, 30880, 50720, 61181, 61760, 101440, 122362, 244724, 305905, 489448, 611810, 978896, 1223620, 1957792, 2447240, 3915584, 4894480, 9788960, 19577920]

約数ペア:

[(1, 19577920), (2, 9788960), (4, 4894480), (5, 3915584), (8, 2447240), (10, 1957792), (16, 1223620), (20, 978896), (32, 611810), (40, 489448), (64, 305905), (80, 244724), (160, 122362), (193, 101440), (317, 61760), (320, 61181), (386, 50720), (634, 30880), (772, 25360), (965, 20288), (1268, 15440), (1544, 12680), (1585, 12352), (1930, 10144), (2536, 7720), (3088, 6340), (3170, 6176), (3860, 5072)]