19568518

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{3931}}^1$

素因数の和:4083

約数の個数: 16

約数和(自身を含む): 31141440

約数和(自身を除く): 11572922

約数列:

[1, 2, 19, 38, 131, 262, 2489, 3931, 4978, 7862, 74689, 149378, 514961, 1029922, 9784259, 19568518]

約数ペア:

[(1, 19568518), (2, 9784259), (19, 1029922), (38, 514961), (131, 149378), (262, 74689), (2489, 7862), (3931, 4978)]