19126525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{443}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 26096544

約数和(自身を除く): 6970019

約数列:

[1, 5, 11, 25, 55, 157, 275, 443, 785, 1727, 2215, 3925, 4873, 8635, 11075, 24365, 43175, 69551, 121825, 347755, 765061, 1738775, 3825305, 19126525]

約数ペア:

[(1, 19126525), (5, 3825305), (11, 1738775), (25, 765061), (55, 347755), (157, 121825), (275, 69551), (443, 43175), (785, 24365), (1727, 11075), (2215, 8635), (3925, 4873)]