19664943

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{359}}^1$

素因数の和:443

約数の個数: 24

約数和(自身を含む): 28598400

約数和(自身を除く): 8933457

約数列:

[1, 3, 19, 31, 57, 93, 359, 589, 961, 1077, 1767, 2883, 6821, 11129, 18259, 20463, 33387, 54777, 211451, 344999, 634353, 1034997, 6554981, 19664943]

約数ペア:

[(1, 19664943), (3, 6554981), (19, 1034997), (31, 634353), (57, 344999), (93, 211451), (359, 54777), (589, 33387), (961, 20463), (1077, 18259), (1767, 11129), (2883, 6821)]