19690573

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{491}}^1$

素因数の和:852

約数の個数: 16

約数和(自身を含む): 23946624

約数和(自身を除く): 4256051

約数列:

[1, 7, 17, 119, 337, 491, 2359, 3437, 5729, 8347, 40103, 58429, 165467, 1158269, 2812939, 19690573]

約数ペア:

[(1, 19690573), (7, 2812939), (17, 1158269), (119, 165467), (337, 58429), (491, 40103), (2359, 8347), (3437, 5729)]