19568864

素因数分解:

$2^5\times 7^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:655

約数の個数: 48

約数和(自身を含む): 44352000

約数和(自身を除く): 24783136

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 199, 224, 398, 439, 796, 878, 1393, 1592, 1756, 2786, 3073, 3184, 3512, 5572, 6146, 6368, 7024, 11144, 12292, 14048, 22288, 24584, 44576, 49168, 87361, 98336, 174722, 349444, 611527, 698888, 1223054, 1397776, 2446108, 2795552, 4892216, 9784432, 19568864]

約数ペア:

[(1, 19568864), (2, 9784432), (4, 4892216), (7, 2795552), (8, 2446108), (14, 1397776), (16, 1223054), (28, 698888), (32, 611527), (56, 349444), (112, 174722), (199, 98336), (224, 87361), (398, 49168), (439, 44576), (796, 24584), (878, 22288), (1393, 14048), (1592, 12292), (1756, 11144), (2786, 7024), (3073, 6368), (3184, 6146), (3512, 5572)]