19112553218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1399}}^1\times {\mathrm{620981}}^1$

素因数の和:622393

約数の個数: 16

約数和(自身を含む): 31297492800

約数和(自身を除く): 12184939582

約数列:

[1, 2, 11, 22, 1399, 2798, 15389, 30778, 620981, 1241962, 6830791, 13661582, 868752419, 1737504838, 9556276609, 19112553218]

約数ペア:

[(1, 19112553218), (2, 9556276609), (11, 1737504838), (22, 868752419), (1399, 13661582), (2798, 6830791), (15389, 1241962), (30778, 620981)]