19963525

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{439}}^1$

素因数の和:573

約数の個数: 24

約数和(自身を含む): 26516160

約数和(自身を除く): 6552635

約数列:

[1, 5, 17, 25, 85, 107, 425, 439, 535, 1819, 2195, 2675, 7463, 9095, 10975, 37315, 45475, 46973, 186575, 234865, 798541, 1174325, 3992705, 19963525]

約数ペア:

[(1, 19963525), (5, 3992705), (17, 1174325), (25, 798541), (85, 234865), (107, 186575), (425, 46973), (439, 45475), (535, 37315), (1819, 10975), (2195, 9095), (2675, 7463)]