18690563521

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{1389943}}^1$

素因数の和:1390080

約数の個数: 16

約数和(自身を含む): 22817320704

約数和(自身を除く): 4126757183

約数列:

[1, 7, 17, 113, 119, 791, 1921, 13447, 1389943, 9729601, 23629031, 157063559, 165403217, 1099444913, 2670080503, 18690563521]

約数ペア:

[(1, 18690563521), (7, 2670080503), (17, 1099444913), (113, 165403217), (119, 157063559), (791, 23629031), (1921, 9729601), (13447, 1389943)]