19730722

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20857}}^1$

素因数の和:20913

約数の個数: 16

約数和(自身を含む): 33039072

約数和(自身を除く): 13308350

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 20857, 41714, 229427, 458854, 896851, 1793702, 9865361, 19730722]

約数ペア:

[(1, 19730722), (2, 9865361), (11, 1793702), (22, 896851), (43, 458854), (86, 229427), (473, 41714), (946, 20857)]