19856902

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{2081}}^1$

素因数の和:2463

約数の個数: 16

約数和(自身を含む): 32179392

約数和(自身を除く): 12322490

約数列:

[1, 2, 13, 26, 367, 734, 2081, 4162, 4771, 9542, 27053, 54106, 763727, 1527454, 9928451, 19856902]

約数ペア:

[(1, 19856902), (2, 9928451), (13, 1527454), (26, 763727), (367, 54106), (734, 27053), (2081, 9542), (4162, 4771)]