A192292 - cp's OEIS frontend

A192292 Pairs of numbers a, b for which sigma(a)=b and sigma(b)-b-1=a, where sigma(n) is the sum of the anti-divisors of n.

n	a(n)
1	7
2	10
3	14
4	16
5	45
6	86
7	2379
8	2324
9	4213
10	5866
11	27323
12	33604
13	1303227
14	1737628
15	3722831
16	4208308
17	15752651
18	18706108
19	6094085371
20	8114352508
21	30090695519
22	40119052564

[7, 10, 14, 16, 45, 86, 2379, 2324, 4213, 5866, 27323, 33604, 1303227, 1737628, 3722831, 4208308, 15752651, 18706108, 6094085371, 8114352508, 30090695519, 40119052564]

cp's OEIS Frontend

A192292 Pairs of numbers a, b for which sigma(a)=b and sigma(b)-b-1=a, where sigma(n) is the sum of the anti-divisors of n.

Table of values

List of values

cp's OEIS Frontend

A192292 Pairs of numbers a, b for which sigma*(a)=b and sigma(b)-b-1=a, where sigma*(n) is the sum of the anti-divisors of n.

Table of values

List of values

A192292 Pairs of numbers a, b for which sigma(a)=b and sigma(b)-b-1=a, where sigma(n) is the sum of the anti-divisors of n.