19872687

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{1181}}^1$

素因数の和:1334

約数の個数: 16

約数和(自身を含む): 27233280

約数和(自身を除く): 7360593

約数列:

[1, 3, 71, 79, 213, 237, 1181, 3543, 5609, 16827, 83851, 93299, 251553, 279897, 6624229, 19872687]

約数ペア:

[(1, 19872687), (3, 6624229), (71, 279897), (79, 251553), (213, 93299), (237, 83851), (1181, 16827), (3543, 5609)]