18299792

素因数分解:

$2^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1499}}^1$

素因数の和:1623

約数の個数: 40

約数和(自身を含む): 40920000

約数和(自身を除く): 22620208

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 109, 112, 218, 436, 763, 872, 1499, 1526, 1744, 2998, 3052, 5996, 6104, 10493, 11992, 12208, 20986, 23984, 41972, 83944, 163391, 167888, 326782, 653564, 1143737, 1307128, 2287474, 2614256, 4574948, 9149896, 18299792]

約数ペア:

[(1, 18299792), (2, 9149896), (4, 4574948), (7, 2614256), (8, 2287474), (14, 1307128), (16, 1143737), (28, 653564), (56, 326782), (109, 167888), (112, 163391), (218, 83944), (436, 41972), (763, 23984), (872, 20986), (1499, 12208), (1526, 11992), (1744, 10493), (2998, 6104), (3052, 5996)]