19437725

素因数分解:

$5^2\times {\mathrm{409}}^1\times {\mathrm{1901}}^1$

素因数の和:2320

約数の個数: 12

約数和(自身を含む): 24174420

約数和(自身を除く): 4736695

約数列:

[1, 5, 25, 409, 1901, 2045, 9505, 10225, 47525, 777509, 3887545, 19437725]

約数ペア:

[(1, 19437725), (5, 3887545), (25, 777509), (409, 47525), (1901, 10225), (2045, 9505)]