19660113

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2797}}^1$

素因数の和:2885

約数の個数: 24

約数和(自身を含む): 31427136

約数和(自身を除く): 11767023

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 2343, 2797, 7029, 8391, 25173, 30767, 92301, 198587, 276903, 595761, 1787283, 2184457, 6553371, 19660113]

約数ペア:

[(1, 19660113), (3, 6553371), (9, 2184457), (11, 1787283), (33, 595761), (71, 276903), (99, 198587), (213, 92301), (639, 30767), (781, 25173), (2343, 8391), (2797, 7029)]