3888000000domain: NAppears in sequencesMean integral divisors associated with A048751.at n=20A048752Corresponding values of pod(n)/tau(n) of numbers n from A120736.at n=22A293376Numbers k = p_i^e_i *...* p_r^e_r such that i/e_i +...+ r/e_r = 1 for e_i,..., e_r >= 1; p_i,..., p_r distinct prime numbers (A000040).at n=24A388006