19800683

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{419}}^1$

素因数の和:626

約数の個数: 16

約数和(自身を含む): 23358720

約数和(自身を除く): 3558037

約数列:

[1, 7, 43, 157, 301, 419, 1099, 2933, 6751, 18017, 47257, 65783, 126119, 460481, 2828669, 19800683]

約数ペア:

[(1, 19800683), (7, 2828669), (43, 460481), (157, 126119), (301, 65783), (419, 47257), (1099, 18017), (2933, 6751)]