18861424

素因数分解:

$2^4\times {\mathrm{541}}^1\times {\mathrm{2179}}^1$

素因数の和:2728

約数の個数: 20

約数和(自身を含む): 36628360

約数和(自身を除く): 17766936

約数列:

[1, 2, 4, 8, 16, 541, 1082, 2164, 2179, 4328, 4358, 8656, 8716, 17432, 34864, 1178839, 2357678, 4715356, 9430712, 18861424]

約数ペア:

[(1, 18861424), (2, 9430712), (4, 4715356), (8, 2357678), (16, 1178839), (541, 34864), (1082, 17432), (2164, 8716), (2179, 8656), (4328, 4358)]