19781702

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1\times {\mathrm{941}}^1$

素因数の和:1423

約数の個数: 16

約数和(自身を含む): 31063392

約数和(自身を除く): 11281690

約数列:

[1, 2, 23, 46, 457, 914, 941, 1882, 10511, 21022, 21643, 43286, 430037, 860074, 9890851, 19781702]

約数ペア:

[(1, 19781702), (2, 9890851), (23, 860074), (46, 430037), (457, 43286), (914, 21643), (941, 21022), (1882, 10511)]