18501865

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{5309}}^1$

素因数の和:5372

約数の個数: 16

約数和(自身を含む): 24086160

約数和(自身を除く): 5584295

約数列:

[1, 5, 17, 41, 85, 205, 697, 3485, 5309, 26545, 90253, 217669, 451265, 1088345, 3700373, 18501865]

約数ペア:

[(1, 18501865), (5, 3700373), (17, 1088345), (41, 451265), (85, 217669), (205, 90253), (697, 26545), (3485, 5309)]