16191889

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{83}}^1$

素因数の和:181

約数の個数: 24

約数和(自身を含む): 20018880

約数和(自身を除く): 3826991

約数列:

[1, 7, 29, 31, 83, 203, 217, 581, 899, 961, 2407, 2573, 6293, 6727, 16849, 18011, 27869, 74617, 79763, 195083, 522319, 558341, 2313127, 16191889]

約数ペア:

[(1, 16191889), (7, 2313127), (29, 558341), (31, 522319), (83, 195083), (203, 79763), (217, 74617), (581, 27869), (899, 18011), (961, 16849), (2407, 6727), (2573, 6293)]