19961193

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{449}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 31968000

約数和(自身を除く): 12006807

約数列:

[1, 3, 7, 21, 29, 73, 87, 203, 219, 449, 511, 609, 1347, 1533, 2117, 3143, 6351, 9429, 13021, 14819, 32777, 39063, 44457, 91147, 98331, 229439, 273441, 688317, 950533, 2851599, 6653731, 19961193]

約数ペア:

[(1, 19961193), (3, 6653731), (7, 2851599), (21, 950533), (29, 688317), (73, 273441), (87, 229439), (203, 98331), (219, 91147), (449, 44457), (511, 39063), (609, 32777), (1347, 14819), (1533, 13021), (2117, 9429), (3143, 6351)]