18988311

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{373}}^1$

素因数の和:686

約数の個数: 16

約数和(自身を含む): 25850880

約数和(自身を除く): 6862569

約数列:

[1, 3, 71, 213, 239, 373, 717, 1119, 16969, 26483, 50907, 79449, 89147, 267441, 6329437, 18988311]

約数ペア:

[(1, 18988311), (3, 6329437), (71, 267441), (213, 89147), (239, 79449), (373, 50907), (717, 26483), (1119, 16969)]