18911211

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{883}}^1$

素因数の和:967

約数の個数: 24

約数和(自身を含む): 28217280

約数和(自身を除く): 9306069

約数列:

[1, 3, 11, 33, 59, 121, 177, 363, 649, 883, 1947, 2649, 7139, 9713, 21417, 29139, 52097, 106843, 156291, 320529, 573067, 1719201, 6303737, 18911211]

約数ペア:

[(1, 18911211), (3, 6303737), (11, 1719201), (33, 573067), (59, 320529), (121, 156291), (177, 106843), (363, 52097), (649, 29139), (883, 21417), (1947, 9713), (2649, 7139)]