19147994

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{1109}}^1$

素因数の和:1297

約数の個数: 16

約数和(自身を含む): 29370600

約数和(自身を除く): 10222606

約数列:

[1, 2, 89, 97, 178, 194, 1109, 2218, 8633, 17266, 98701, 107573, 197402, 215146, 9573997, 19147994]

約数ペア:

[(1, 19147994), (2, 9573997), (89, 215146), (97, 197402), (178, 107573), (194, 98701), (1109, 17266), (2218, 8633)]