19909980242

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{75992291}}^1$

素因数の和:75992424

約数の個数: 8

約数和(自身を含む): 30092947632

約数和(自身を除く): 10182967390

約数列:

[1, 2, 131, 262, 75992291, 151984582, 9954990121, 19909980242]

約数ペア:

[(1, 19909980242), (2, 9954990121), (131, 151984582), (262, 75992291)]