18784882

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{21493}}^1$

素因数の和:21537

約数の個数: 16

約数和(自身を含む): 30951360

約数和(自身を除く): 12166478

約数列:

[1, 2, 19, 23, 38, 46, 437, 874, 21493, 42986, 408367, 494339, 816734, 988678, 9392441, 18784882]

約数ペア:

[(1, 18784882), (2, 9392441), (19, 988678), (23, 816734), (38, 494339), (46, 408367), (437, 42986), (874, 21493)]