19993329656

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{17979613}}^1$

素因数の和:17979758

約数の個数: 16

約数和(自身を含む): 37757189400

約数和(自身を除く): 17763859744

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 17979613, 35959226, 71918452, 143836904, 2499166207, 4998332414, 9996664828, 19993329656]

約数ペア:

[(1, 19993329656), (2, 9996664828), (4, 4998332414), (8, 2499166207), (139, 143836904), (278, 71918452), (556, 35959226), (1112, 17979613)]