18697868

素因数分解:

$2^2\times 7^1\times {\mathrm{667781}}^1$

素因数の和:667792

約数の個数: 12

約数和(自身を含む): 37395792

約数和(自身を除く): 18697924

約数列:

[1, 2, 4, 7, 14, 28, 667781, 1335562, 2671124, 4674467, 9348934, 18697868]

約数ペア:

[(1, 18697868), (2, 9348934), (4, 4674467), (7, 2671124), (14, 1335562), (28, 667781)]