9811220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25819}}^1$

素因数の和:25847

約数の個数: 24

約数和(自身を含む): 21688800

約数和(自身を除く): 11877580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 25819, 51638, 103276, 129095, 258190, 490561, 516380, 981122, 1962244, 2452805, 4905610, 9811220]

約数ペア:

[(1, 9811220), (2, 4905610), (4, 2452805), (5, 1962244), (10, 981122), (19, 516380), (20, 490561), (38, 258190), (76, 129095), (95, 103276), (190, 51638), (380, 25819)]