18639840986

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{1711019}}^1$

素因数の和:1711453

約数の個数: 16

約数和(自身を含む): 30182392800

約数和(自身を除く): 11542551814

約数列:

[1, 2, 13, 26, 419, 838, 5447, 10894, 1711019, 3422038, 22243247, 44486494, 716916961, 1433833922, 9319920493, 18639840986]

約数ペア:

[(1, 18639840986), (2, 9319920493), (13, 1433833922), (26, 716916961), (419, 44486494), (838, 22243247), (5447, 3422038), (10894, 1711019)]