18201521

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{479}}^1$

素因数の和:608

約数の個数: 16

約数和(自身を含む): 20428800

約数和(自身を除く): 2227279

約数列:

[1, 13, 37, 79, 479, 481, 1027, 2923, 6227, 17723, 37841, 37999, 230399, 491933, 1400117, 18201521]

約数ペア:

[(1, 18201521), (13, 1400117), (37, 491933), (79, 230399), (479, 37999), (481, 37841), (1027, 17723), (2923, 6227)]