2019921861

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{54181}}^1$

素因数の和:54261

約数の個数: 24

約数和(自身を含む): 2927561824

約数和(自身を除く): 907639963

約数列:

[1, 3, 17, 43, 51, 129, 289, 731, 867, 2193, 12427, 37281, 54181, 162543, 921077, 2329783, 2763231, 6989349, 15658309, 39606311, 46974927, 118818933, 673307287, 2019921861]

約数ペア:

[(1, 2019921861), (3, 673307287), (17, 118818933), (43, 46974927), (51, 39606311), (129, 15658309), (289, 6989349), (731, 2763231), (867, 2329783), (2193, 921077), (12427, 162543), (37281, 54181)]