18691484

素因数分解:

$2^2\times 7^1\times {\mathrm{667553}}^1$

素因数の和:667564

約数の個数: 12

約数和(自身を含む): 37383024

約数和(自身を除く): 18691540

約数列:

[1, 2, 4, 7, 14, 28, 667553, 1335106, 2670212, 4672871, 9345742, 18691484]

約数ペア:

[(1, 18691484), (2, 9345742), (4, 4672871), (7, 2670212), (14, 1335106), (28, 667553)]