19811243870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{4392737}}^1$

素因数の和:4392796

約数の個数: 32

約数和(自身を含む): 39850919136

約数和(自身を除く): 20039675266

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 2255, 4510, 4392737, 8785474, 21963685, 43927370, 48320107, 96640214, 180102217, 241600535, 360204434, 483201070, 900511085, 1801022170, 1981124387, 3962248774, 9905621935, 19811243870]

約数ペア:

[(1, 19811243870), (2, 9905621935), (5, 3962248774), (10, 1981124387), (11, 1801022170), (22, 900511085), (41, 483201070), (55, 360204434), (82, 241600535), (110, 180102217), (205, 96640214), (410, 48320107), (451, 43927370), (902, 21963685), (2255, 8785474), (4510, 4392737)]