19212669

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{17939}}^1$

素因数の和:17969

約数の個数: 24

約数和(自身を含む): 33583680

約数和(自身を除く): 14371011

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 17939, 53817, 125573, 161451, 304963, 376719, 914889, 1130157, 2134741, 2744667, 6404223, 19212669]

約数ペア:

[(1, 19212669), (3, 6404223), (7, 2744667), (9, 2134741), (17, 1130157), (21, 914889), (51, 376719), (63, 304963), (119, 161451), (153, 125573), (357, 53817), (1071, 17939)]