19957699442

素因数分解:

$2^1\times {\mathrm{4423}}^1\times {\mathrm{2256127}}^1$

素因数の和:2260552

約数の個数: 8

約数和(自身を含む): 29943330816

約数和(自身を除く): 9985631374

約数列:

[1, 2, 4423, 8846, 2256127, 4512254, 9978849721, 19957699442]

約数ペア:

[(1, 19957699442), (2, 9978849721), (4423, 4512254), (8846, 2256127)]