19668760

素因数分解:

$2^3\times 5^1\times {\mathrm{491719}}^1$

素因数の和:491730

約数の個数: 16

約数和(自身を含む): 44254800

約数和(自身を除く): 24586040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491719, 983438, 1966876, 2458595, 3933752, 4917190, 9834380, 19668760]

約数ペア:

[(1, 19668760), (2, 9834380), (4, 4917190), (5, 3933752), (8, 2458595), (10, 1966876), (20, 983438), (40, 491719)]