19830560

素因数分解:

$2^5\times 5^1\times {\mathrm{123941}}^1$

素因数の和:123956

約数の個数: 24

約数和(自身を含む): 46850076

約数和(自身を除く): 27019516

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 123941, 247882, 495764, 619705, 991528, 1239410, 1983056, 2478820, 3966112, 4957640, 9915280, 19830560]

約数ペア:

[(1, 19830560), (2, 9915280), (4, 4957640), (5, 3966112), (8, 2478820), (10, 1983056), (16, 1239410), (20, 991528), (32, 619705), (40, 495764), (80, 247882), (160, 123941)]