There are a few numbers that are less than 19 and have more than 4 factors. The number 10 is less than 19 and has more than four factors.
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28 7, 4, 2
Because it is divisible by the prime number 2, which is less than 10.
If a number has more than two factors then it is a composite number
The number is 54. It is greater than 36 and less than 70. One of its factors is 9 and it is an even number.
There are 44 positive integers less than 2,010 that have an odd number of factors.