19609540

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{5417}}^1$

素因数の和:5607

約数の個数: 24

約数和(自身を含む): 41415192

約数和(自身を除く): 21805652

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 5417, 10834, 21668, 27085, 54170, 108340, 980477, 1960954, 3921908, 4902385, 9804770, 19609540]

約数ペア:

[(1, 19609540), (2, 9804770), (4, 4902385), (5, 3921908), (10, 1960954), (20, 980477), (181, 108340), (362, 54170), (724, 27085), (905, 21668), (1810, 10834), (3620, 5417)]