19933123

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1409}}^1$

素因数の和:1506

約数の個数: 16

約数和(自身を含む): 23823360

約数和(自身を除く): 3890237

約数列:

[1, 7, 43, 47, 301, 329, 1409, 2021, 9863, 14147, 60587, 66223, 424109, 463561, 2847589, 19933123]

約数ペア:

[(1, 19933123), (7, 2847589), (43, 463561), (47, 424109), (301, 66223), (329, 60587), (1409, 14147), (2021, 9863)]