20218993912

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{194413403}}^1$

素因数の和:194413422

約数の個数: 16

約数和(自身を含む): 40826814840

約数和(自身を除く): 20607820928

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 194413403, 388826806, 777653612, 1555307224, 2527374239, 5054748478, 10109496956, 20218993912]

約数ペア:

[(1, 20218993912), (2, 10109496956), (4, 5054748478), (8, 2527374239), (13, 1555307224), (26, 777653612), (52, 388826806), (104, 194413403)]