19883673

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{269}}^1$

素因数の和:509

約数の個数: 24

約数和(自身を含む): 29652480

約数和(自身を除く): 9768807

約数列:

[1, 3, 9, 43, 129, 191, 269, 387, 573, 807, 1719, 2421, 8213, 11567, 24639, 34701, 51379, 73917, 104103, 154137, 462411, 2209297, 6627891, 19883673]

約数ペア:

[(1, 19883673), (3, 6627891), (9, 2209297), (43, 462411), (129, 154137), (191, 104103), (269, 73917), (387, 51379), (573, 34701), (807, 24639), (1719, 11567), (2421, 8213)]