18996939

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9551}}^1$

素因数の和:9587

約数の個数: 24

約数和(自身を含む): 31292352

約数和(自身を除く): 12295413

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 9551, 28653, 85959, 124163, 162367, 372489, 487101, 1117467, 1461303, 2110771, 6332313, 18996939]

約数ペア:

[(1, 18996939), (3, 6332313), (9, 2110771), (13, 1461303), (17, 1117467), (39, 487101), (51, 372489), (117, 162367), (153, 124163), (221, 85959), (663, 28653), (1989, 9551)]