19680287

素因数分解:

${\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{3967}}^1$

素因数の和:4030

約数の個数: 12

約数和(自身を含む): 22165248

約数和(自身を除く): 2484961

約数列:

[1, 11, 41, 121, 451, 3967, 4961, 43637, 162647, 480007, 1789117, 19680287]

約数ペア:

[(1, 19680287), (11, 1789117), (41, 480007), (121, 162647), (451, 43637), (3967, 4961)]