19205391

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{6473}}^1$

素因数の和:6542

約数の個数: 16

約数和(自身を含む): 27346176

約数和(自身を除く): 8140785

約数列:

[1, 3, 23, 43, 69, 129, 989, 2967, 6473, 19419, 148879, 278339, 446637, 835017, 6401797, 19205391]

約数ペア:

[(1, 19205391), (3, 6401797), (23, 835017), (43, 446637), (69, 278339), (129, 148879), (989, 19419), (2967, 6473)]