19387324

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{10247}}^1$

素因数の和:10305

約数の個数: 24

約数和(自身を含む): 37876608

約数和(自身を除く): 18489284

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 10247, 20494, 40988, 112717, 225434, 440621, 450868, 881242, 1762484, 4846831, 9693662, 19387324]

約数ペア:

[(1, 19387324), (2, 9693662), (4, 4846831), (11, 1762484), (22, 881242), (43, 450868), (44, 440621), (86, 225434), (172, 112717), (473, 40988), (946, 20494), (1892, 10247)]