19906986

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{3389}}^1$

素因数の和:3494

約数の個数: 32

約数和(自身を含む): 43934400

約数和(自身を除く): 24027414

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 89, 178, 267, 534, 979, 1958, 2937, 3389, 5874, 6778, 10167, 20334, 37279, 74558, 111837, 223674, 301621, 603242, 904863, 1809726, 3317831, 6635662, 9953493, 19906986]

約数ペア:

[(1, 19906986), (2, 9953493), (3, 6635662), (6, 3317831), (11, 1809726), (22, 904863), (33, 603242), (66, 301621), (89, 223674), (178, 111837), (267, 74558), (534, 37279), (979, 20334), (1958, 10167), (2937, 6778), (3389, 5874)]