19108991

素因数分解:

${\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{449}}^1$

素因数の和:586

約数の個数: 16

約数和(自身を含む): 21578400

約数和(自身を除く): 2469409

約数列:

[1, 11, 53, 73, 449, 583, 803, 3869, 4939, 23797, 32777, 42559, 261767, 360547, 1737181, 19108991]

約数ペア:

[(1, 19108991), (11, 1737181), (53, 360547), (73, 261767), (449, 42559), (583, 32777), (803, 23797), (3869, 4939)]