18785421

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{50909}}^1$

素因数の和:50956

約数の個数: 12

約数和(自身を含む): 27796860

約数和(自身を除く): 9011439

約数列:

[1, 3, 9, 41, 123, 369, 50909, 152727, 458181, 2087269, 6261807, 18785421]

約数ペア:

[(1, 18785421), (3, 6261807), (9, 2087269), (41, 458181), (123, 152727), (369, 50909)]