19602242

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{81001}}^1$

素因数の和:81025

約数の個数: 12

約数和(自身を含む): 32319798

約数和(自身を除く): 12717556

約数列:

[1, 2, 11, 22, 121, 242, 81001, 162002, 891011, 1782022, 9801121, 19602242]

約数ペア:

[(1, 19602242), (2, 9801121), (11, 1782022), (22, 891011), (121, 162002), (242, 81001)]