18994251

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{5857}}^1$

素因数の和:5930

約数の個数: 16

約数和(自身を含む): 26993664

約数和(自身を除く): 7999413

約数列:

[1, 3, 23, 47, 69, 141, 1081, 3243, 5857, 17571, 134711, 275279, 404133, 825837, 6331417, 18994251]

約数ペア:

[(1, 18994251), (3, 6331417), (23, 825837), (47, 404133), (69, 275279), (141, 134711), (1081, 17571), (3243, 5857)]