19991704

素因数分解:

$2^3\times {\mathrm{443}}^1\times {\mathrm{5641}}^1$

素因数の和:6090

約数の個数: 16

約数和(自身を含む): 37575720

約数和(自身を除く): 17584016

約数列:

[1, 2, 4, 8, 443, 886, 1772, 3544, 5641, 11282, 22564, 45128, 2498963, 4997926, 9995852, 19991704]

約数ペア:

[(1, 19991704), (2, 9995852), (4, 4997926), (8, 2498963), (443, 45128), (886, 22564), (1772, 11282), (3544, 5641)]