80872018

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{11027}}^1$

素因数の和:11241

約数の個数: 16

約数和(自身を含む): 128365920

約数和(自身を除く): 47493902

約数列:

[1, 2, 19, 38, 193, 386, 3667, 7334, 11027, 22054, 209513, 419026, 2128211, 4256422, 40436009, 80872018]

約数ペア:

[(1, 80872018), (2, 40436009), (19, 4256422), (38, 2128211), (193, 419026), (386, 209513), (3667, 22054), (7334, 11027)]