19937165

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1973}}^1$

素因数の和:2068

約数の個数: 16

約数和(自身を含む): 25014528

約数和(自身を除く): 5077363

約数列:

[1, 5, 43, 47, 215, 235, 1973, 2021, 9865, 10105, 84839, 92731, 424195, 463655, 3987433, 19937165]

約数ペア:

[(1, 19937165), (5, 3987433), (43, 463655), (47, 424195), (215, 92731), (235, 84839), (1973, 10105), (2021, 9865)]