60 is abundant.
abundant
abundant since sum of divisors is 16256
perfect
18 is abundant
60 is abundant.
No, 12 is not a perfect number. It is abundant.
abundant
abundant
abundant since sum of divisors is 16256
perfect
18 is abundant
It's deficient
No 18 is not. It is a abundant number.
Yes, this is well known. All integral multiples of any perfect, or abundant number must be an abundant number.
deficient
It is deficient.