Four of them.
4, 12, 36
The positive integer factors of 1324 are: 1, 2, 4, 331, 662, 1324
The positive factors of 108 are 1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108.
Three of them are . . . 4, 12, and 36.
2 26 4
Four of them.
4, 12, 36
There are only three positive integer factors of 4. Perhaps you meant multiples, of which there are an infinite number.
The positive factors of 26 are 1, 2, 13, and 26.
4
The positive integer factors of 1964 are: 1, 2, 4, 491, 982, 1964
The positive integer factors of 188 are: 1, 2, 4, 47, 94, 188
The positive integer factors of 1324 are: 1, 2, 4, 331, 662, 1324
The positive integer factors of 604 are: 1, 2, 4, 151, 302, 604
The positive integer factors of 428 are: 1, 2, 4, 107, 214, 428
There are 4 positive integer factors of 1981. These are: 1, 7, 283, 1981