19866723

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{4909}}^1$

素因数の和:5002

約数の個数: 16

約数和(自身を含む): 28281600

約数和(自身を除く): 8414877

約数列:

[1, 3, 19, 57, 71, 213, 1349, 4047, 4909, 14727, 93271, 279813, 348539, 1045617, 6622241, 19866723]

約数ペア:

[(1, 19866723), (3, 6622241), (19, 1045617), (57, 348539), (71, 279813), (213, 93271), (1349, 14727), (4047, 4909)]