18960151

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{563}}^1$

素因数の和:870

約数の個数: 16

約数和(自身を含む): 23065344

約数和(自身を除く): 4105193

約数列:

[1, 7, 17, 119, 283, 563, 1981, 3941, 4811, 9571, 33677, 66997, 159329, 1115303, 2708593, 18960151]

約数ペア:

[(1, 18960151), (7, 2708593), (17, 1115303), (119, 159329), (283, 66997), (563, 33677), (1981, 9571), (3941, 4811)]