19049723

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 25920000

約数和(自身を除く): 6870277

約数列:

[1, 7, 11, 19, 29, 77, 133, 203, 209, 319, 449, 551, 1463, 2233, 3143, 3857, 4939, 6061, 8531, 13021, 34573, 42427, 59717, 91147, 93841, 143231, 247399, 656887, 1002617, 1731793, 2721389, 19049723]

約数ペア:

[(1, 19049723), (7, 2721389), (11, 1731793), (19, 1002617), (29, 656887), (77, 247399), (133, 143231), (203, 93841), (209, 91147), (319, 59717), (449, 42427), (551, 34573), (1463, 13021), (2233, 8531), (3143, 6061), (3857, 4939)]