19021437

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2137}}^1$

素因数の和:2209

約数の個数: 24

約数和(自身を含む): 29350464

約数和(自身を除く): 10329027

約数列:

[1, 3, 9, 23, 43, 69, 129, 207, 387, 989, 2137, 2967, 6411, 8901, 19233, 49151, 91891, 147453, 275673, 442359, 827019, 2113493, 6340479, 19021437]

約数ペア:

[(1, 19021437), (3, 6340479), (9, 2113493), (23, 827019), (43, 442359), (69, 275673), (129, 147453), (207, 91891), (387, 49151), (989, 19233), (2137, 8901), (2967, 6411)]