19960195

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{541}}^1$

素因数の和:750

約数の個数: 16

約数和(自身を含む): 24663168

約数和(自身を除く): 4702973

約数列:

[1, 5, 47, 157, 235, 541, 785, 2705, 7379, 25427, 36895, 84937, 127135, 424685, 3992039, 19960195]

約数ペア:

[(1, 19960195), (5, 3992039), (47, 424685), (157, 127135), (235, 84937), (541, 36895), (785, 25427), (2705, 7379)]