19849015

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{113}}^1$

素因数の和:223

約数の個数: 24

約数和(自身を含む): 25896240

約数和(自身を除く): 6047225

約数列:

[1, 5, 19, 43, 95, 113, 215, 565, 817, 1849, 2147, 4085, 4859, 9245, 10735, 24295, 35131, 92321, 175655, 208937, 461605, 1044685, 3969803, 19849015]

約数ペア:

[(1, 19849015), (5, 3969803), (19, 1044685), (43, 461605), (95, 208937), (113, 175655), (215, 92321), (565, 35131), (817, 24295), (1849, 10735), (2147, 9245), (4085, 4859)]