19962572

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{17389}}^1$

素因数の和:17441

約数の個数: 24

約数和(自身を含む): 40901280

約数和(自身を除く): 20938708

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 17389, 34778, 69556, 121723, 243446, 486892, 712949, 1425898, 2851796, 4990643, 9981286, 19962572]

約数ペア:

[(1, 19962572), (2, 9981286), (4, 4990643), (7, 2851796), (14, 1425898), (28, 712949), (41, 486892), (82, 243446), (164, 121723), (287, 69556), (574, 34778), (1148, 17389)]