18475216

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{4493}}^1$

素因数の和:4758

約数の個数: 20

約数和(自身を含む): 35943012

約数和(自身を除く): 17467796

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 4493, 8986, 17972, 35944, 71888, 1154701, 2309402, 4618804, 9237608, 18475216]

約数ペア:

[(1, 18475216), (2, 9237608), (4, 4618804), (8, 2309402), (16, 1154701), (257, 71888), (514, 35944), (1028, 17972), (2056, 8986), (4112, 4493)]