19743801

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{673}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 33128448

約数和(自身を除く): 13384647

約数列:

[1, 3, 7, 11, 21, 33, 77, 127, 231, 381, 673, 889, 1397, 2019, 2667, 4191, 4711, 7403, 9779, 14133, 22209, 29337, 51821, 85471, 155463, 256413, 598297, 940181, 1794891, 2820543, 6581267, 19743801]

約数ペア:

[(1, 19743801), (3, 6581267), (7, 2820543), (11, 1794891), (21, 940181), (33, 598297), (77, 256413), (127, 155463), (231, 85471), (381, 51821), (673, 29337), (889, 22209), (1397, 14133), (2019, 9779), (2667, 7403), (4191, 4711)]