19087821

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1709}}^1$

素因数の和:1805

約数の個数: 24

約数和(自身を含む): 29610360

約数和(自身を除く): 10522539

約数列:

[1, 3, 9, 17, 51, 73, 153, 219, 657, 1241, 1709, 3723, 5127, 11169, 15381, 29053, 87159, 124757, 261477, 374271, 1122813, 2120869, 6362607, 19087821]

約数ペア:

[(1, 19087821), (3, 6362607), (9, 2120869), (17, 1122813), (51, 374271), (73, 261477), (153, 124757), (219, 87159), (657, 29053), (1241, 15381), (1709, 11169), (3723, 5127)]