19496768

素因数分解:

$2^6\times {\mathrm{31}}^2\times {\mathrm{317}}^1$

素因数の和:391

約数の個数: 42

約数和(自身を含む): 40103298

約数和(自身を除く): 20606530

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 317, 496, 634, 961, 992, 1268, 1922, 1984, 2536, 3844, 5072, 7688, 9827, 10144, 15376, 19654, 20288, 30752, 39308, 61504, 78616, 157232, 304637, 314464, 609274, 628928, 1218548, 2437096, 4874192, 9748384, 19496768]

約数ペア:

[(1, 19496768), (2, 9748384), (4, 4874192), (8, 2437096), (16, 1218548), (31, 628928), (32, 609274), (62, 314464), (64, 304637), (124, 157232), (248, 78616), (317, 61504), (496, 39308), (634, 30752), (961, 20288), (992, 19654), (1268, 15376), (1922, 10144), (1984, 9827), (2536, 7688), (3844, 5072)]