19909846

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{22073}}^1$

素因数の和:22127

約数の個数: 16

約数和(自身を含む): 33375888

約数和(自身を除く): 13466042

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 22073, 44146, 242803, 485606, 904993, 1809986, 9954923, 19909846]

約数ペア:

[(1, 19909846), (2, 9954923), (11, 1809986), (22, 904993), (41, 485606), (82, 242803), (451, 44146), (902, 22073)]