19526740

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{9479}}^1$

素因数の和:9591

約数の個数: 24

約数和(自身を含む): 41408640

約数和(自身を除く): 21881900

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 9479, 18958, 37916, 47395, 94790, 189580, 976337, 1952674, 3905348, 4881685, 9763370, 19526740]

約数ペア:

[(1, 19526740), (2, 9763370), (4, 4881685), (5, 3905348), (10, 1952674), (20, 976337), (103, 189580), (206, 94790), (412, 47395), (515, 37916), (1030, 18958), (2060, 9479)]