18946961

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{977}}^1$

素因数の和:1072

約数の個数: 16

約数和(自身を含む): 21688128

約数和(自身を除く): 2741167

約数列:

[1, 11, 41, 43, 451, 473, 977, 1763, 10747, 19393, 40057, 42011, 440627, 462121, 1722451, 18946961]

約数ペア:

[(1, 18946961), (11, 1722451), (41, 462121), (43, 440627), (451, 42011), (473, 40057), (977, 19393), (1763, 10747)]