19811662749

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{41519}}^1$

素因数の和:41711

約数の個数: 40

約数和(自身を含む): 30505242240

約数和(自身を除く): 10693579491

約数列:

[1, 3, 9, 27, 43, 81, 129, 137, 387, 411, 1161, 1233, 3483, 3699, 5891, 11097, 17673, 41519, 53019, 124557, 159057, 373671, 477171, 1121013, 1785317, 3363039, 5355951, 5688103, 16067853, 17064309, 48203559, 51192927, 144610677, 153578781, 244588429, 460736343, 733765287, 2201295861, 6603887583, 19811662749]

約数ペア:

[(1, 19811662749), (3, 6603887583), (9, 2201295861), (27, 733765287), (43, 460736343), (81, 244588429), (129, 153578781), (137, 144610677), (387, 51192927), (411, 48203559), (1161, 17064309), (1233, 16067853), (3483, 5688103), (3699, 5355951), (5891, 3363039), (11097, 1785317), (17673, 1121013), (41519, 477171), (53019, 373671), (124557, 159057)]