20192191509

素因数分解:

$3^1\times 7^4\times {\mathrm{2803303}}^1$

素因数の和:2803334

約数の個数: 20

約数和(自身を含む): 31408218016

約数和(自身を除く): 11216026507

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 2803303, 8409909, 19623121, 58869363, 137361847, 412085541, 961532929, 2884598787, 6730730503, 20192191509]

約数ペア:

[(1, 20192191509), (3, 6730730503), (7, 2884598787), (21, 961532929), (49, 412085541), (147, 137361847), (343, 58869363), (1029, 19623121), (2401, 8409909), (7203, 2803303)]