19133779

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{491}}^1$

素因数の和:810

約数の個数: 16

約数和(自身を含む): 23143680

約数和(自身を除く): 4009901

約数列:

[1, 7, 19, 133, 293, 491, 2051, 3437, 5567, 9329, 38969, 65303, 143863, 1007041, 2733397, 19133779]

約数ペア:

[(1, 19133779), (7, 2733397), (19, 1007041), (133, 143863), (293, 65303), (491, 38969), (2051, 9329), (3437, 5567)]