18798992

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{28657}}^1$

素因数の和:28706

約数の個数: 20

約数和(自身を含む): 37312716

約数和(自身を除く): 18513724

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 28657, 57314, 114628, 229256, 458512, 1174937, 2349874, 4699748, 9399496, 18798992]

約数ペア:

[(1, 18798992), (2, 9399496), (4, 4699748), (8, 2349874), (16, 1174937), (41, 458512), (82, 229256), (164, 114628), (328, 57314), (656, 28657)]