19215125

素因数分解:

$5^3\times {\mathrm{347}}^1\times {\mathrm{443}}^1$

素因数の和:805

約数の個数: 16

約数和(自身を含む): 24103872

約数和(自身を除く): 4888747

約数列:

[1, 5, 25, 125, 347, 443, 1735, 2215, 8675, 11075, 43375, 55375, 153721, 768605, 3843025, 19215125]

約数ペア:

[(1, 19215125), (5, 3843025), (25, 768605), (125, 153721), (347, 55375), (443, 43375), (1735, 11075), (2215, 8675)]