199921812

素因数分解:

$2^2\times 3^1\times {\mathrm{16660151}}^1$

素因数の和:16660158

約数の個数: 12

約数和(自身を含む): 466484256

約数和(自身を除く): 266562444

約数列:

[1, 2, 3, 4, 6, 12, 16660151, 33320302, 49980453, 66640604, 99960906, 199921812]

約数ペア:

[(1, 199921812), (2, 99960906), (3, 66640604), (4, 49980453), (6, 33320302), (12, 16660151)]