19919012

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{683}}^1$

素因数の和:1027

約数の個数: 24

約数和(自身を含む): 36542016

約数和(自身を除く): 16623004

約数列:

[1, 2, 4, 23, 46, 92, 317, 634, 683, 1268, 1366, 2732, 7291, 14582, 15709, 29164, 31418, 62836, 216511, 433022, 866044, 4979753, 9959506, 19919012]

約数ペア:

[(1, 19919012), (2, 9959506), (4, 4979753), (23, 866044), (46, 433022), (92, 216511), (317, 62836), (634, 31418), (683, 29164), (1268, 15709), (1366, 14582), (2732, 7291)]