19916095

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{5449}}^1$

素因数の和:5514

約数の個数: 16

約数和(自身を含む): 25898400

約数和(自身を除く): 5982305

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 5449, 27245, 92633, 234307, 463165, 1171535, 3983219, 19916095]

約数ペア:

[(1, 19916095), (5, 3983219), (17, 1171535), (43, 463165), (85, 234307), (215, 92633), (731, 27245), (3655, 5449)]