18475315

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{443}}^1$

素因数の和:906

約数の個数: 16

約数和(自身を含む): 23443200

約数和(自身を除く): 4967885

約数列:

[1, 5, 19, 95, 439, 443, 2195, 2215, 8341, 8417, 41705, 42085, 194477, 972385, 3695063, 18475315]

約数ペア:

[(1, 18475315), (5, 3695063), (19, 972385), (95, 194477), (439, 42085), (443, 41705), (2195, 8417), (2215, 8341)]