18622293

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{457}}^1$

素因数の和:541

約数の個数: 24

約数和(自身を含む): 26996352

約数和(自身を除く): 8374059

約数列:

[1, 3, 17, 47, 51, 141, 289, 457, 799, 867, 1371, 2397, 7769, 13583, 21479, 23307, 40749, 64437, 132073, 365143, 396219, 1095429, 6207431, 18622293]

約数ペア:

[(1, 18622293), (3, 6207431), (17, 1095429), (47, 396219), (51, 365143), (141, 132073), (289, 64437), (457, 40749), (799, 23307), (867, 21479), (1371, 13583), (2397, 7769)]