18752785

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{5381}}^1$

素因数の和:5444

約数の個数: 16

約数和(自身を含む): 24412752

約数和(自身を除く): 5659967

約数列:

[1, 5, 17, 41, 85, 205, 697, 3485, 5381, 26905, 91477, 220621, 457385, 1103105, 3750557, 18752785]

約数ペア:

[(1, 18752785), (5, 3750557), (17, 1103105), (41, 457385), (85, 220621), (205, 91477), (697, 26905), (3485, 5381)]