19806110

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{14249}}^1$

素因数の和:14395

約数の個数: 16

約数和(自身を含む): 35910000

約数和(自身を除く): 16103890

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 14249, 28498, 71245, 142490, 1980611, 3961222, 9903055, 19806110]

約数ペア:

[(1, 19806110), (2, 9903055), (5, 3961222), (10, 1980611), (139, 142490), (278, 71245), (695, 28498), (1390, 14249)]