161669518

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{223919}}^1$

素因数の和:223959

約数の個数: 12

約数和(自身を含む): 255940560

約数和(自身を除く): 94271042

約数列:

[1, 2, 19, 38, 361, 722, 223919, 447838, 4254461, 8508922, 80834759, 161669518]

約数ペア:

[(1, 161669518), (2, 80834759), (19, 8508922), (38, 4254461), (361, 447838), (722, 223919)]