18728105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{9203}}^1$

素因数の和:9256

約数の個数: 16

約数和(自身を含む): 25182144

約数和(自身を除く): 6454039

約数列:

[1, 5, 11, 37, 55, 185, 407, 2035, 9203, 46015, 101233, 340511, 506165, 1702555, 3745621, 18728105]

約数ペア:

[(1, 18728105), (5, 3745621), (11, 1702555), (37, 506165), (55, 340511), (185, 101233), (407, 46015), (2035, 9203)]