19888976

素因数分解:

$2^4\times {\mathrm{941}}^1\times {\mathrm{1321}}^1$

素因数の和:2270

約数の個数: 20

約数和(自身を含む): 38605044

約数和(自身を除く): 18716068

約数列:

[1, 2, 4, 8, 16, 941, 1321, 1882, 2642, 3764, 5284, 7528, 10568, 15056, 21136, 1243061, 2486122, 4972244, 9944488, 19888976]

約数ペア:

[(1, 19888976), (2, 9944488), (4, 4972244), (8, 2486122), (16, 1243061), (941, 21136), (1321, 15056), (1882, 10568), (2642, 7528), (3764, 5284)]