19170640

素因数分解:

$2^4\times 5^1\times {\mathrm{239633}}^1$

素因数の和:239646

約数の個数: 20

約数和(自身を含む): 44571924

約数和(自身を除く): 25401284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239633, 479266, 958532, 1198165, 1917064, 2396330, 3834128, 4792660, 9585320, 19170640]

約数ペア:

[(1, 19170640), (2, 9585320), (4, 4792660), (5, 3834128), (8, 2396330), (10, 1917064), (16, 1198165), (20, 958532), (40, 479266), (80, 239633)]