19942970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2441}}^1$

素因数の和:2510

約数の個数: 32

約数和(自身を含む): 38681280

約数和(自身を除く): 18738310

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 817, 1634, 2441, 4085, 4882, 8170, 12205, 24410, 46379, 92758, 104963, 209926, 231895, 463790, 524815, 1049630, 1994297, 3988594, 9971485, 19942970]

約数ペア:

[(1, 19942970), (2, 9971485), (5, 3988594), (10, 1994297), (19, 1049630), (38, 524815), (43, 463790), (86, 231895), (95, 209926), (190, 104963), (215, 92758), (430, 46379), (817, 24410), (1634, 12205), (2441, 8170), (4085, 4882)]