19899654

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{45433}}^1$

素因数の和:45511

約数の個数: 16

約数和(自身を含む): 40345392

約数和(自身を除く): 20445738

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 45433, 90866, 136299, 272598, 3316609, 6633218, 9949827, 19899654]

約数ペア:

[(1, 19899654), (2, 9949827), (3, 6633218), (6, 3316609), (73, 272598), (146, 136299), (219, 90866), (438, 45433)]