19660287

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{839}}^1$

素因数の和:1022

約数の個数: 16

約数和(自身を含む): 26853120

約数和(自身を除く): 7192833

約数列:

[1, 3, 73, 107, 219, 321, 839, 2517, 7811, 23433, 61247, 89773, 183741, 269319, 6553429, 19660287]

約数ペア:

[(1, 19660287), (3, 6553429), (73, 269319), (107, 183741), (219, 89773), (321, 61247), (839, 23433), (2517, 7811)]