19937230

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{25237}}^1$

素因数の和:25323

約数の個数: 16

約数和(自身を含む): 36342720

約数和(自身を除く): 16405490

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 25237, 50474, 126185, 252370, 1993723, 3987446, 9968615, 19937230]

約数ペア:

[(1, 19937230), (2, 9968615), (5, 3987446), (10, 1993723), (79, 252370), (158, 126185), (395, 50474), (790, 25237)]