19197651

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 29094912

約数和(自身を除く): 9897261

約数列:

[1, 3, 11, 33, 43, 83, 129, 163, 249, 473, 489, 913, 1419, 1793, 2739, 3569, 5379, 7009, 10707, 13529, 21027, 39259, 40587, 77099, 117777, 148819, 231297, 446457, 581747, 1745241, 6399217, 19197651]

約数ペア:

[(1, 19197651), (3, 6399217), (11, 1745241), (33, 581747), (43, 446457), (83, 231297), (129, 148819), (163, 117777), (249, 77099), (473, 40587), (489, 39259), (913, 21027), (1419, 13529), (1793, 10707), (2739, 7009), (3569, 5379)]