18815418

素因数分解:

$2^1\times 3^2\times {\mathrm{397}}^1\times {\mathrm{2633}}^1$

素因数の和:3038

約数の個数: 24

約数和(自身を含む): 40884948

約数和(自身を除く): 22069530

約数列:

[1, 2, 3, 6, 9, 18, 397, 794, 1191, 2382, 2633, 3573, 5266, 7146, 7899, 15798, 23697, 47394, 1045301, 2090602, 3135903, 6271806, 9407709, 18815418]

約数ペア:

[(1, 18815418), (2, 9407709), (3, 6271806), (6, 3135903), (9, 2090602), (18, 1045301), (397, 47394), (794, 23697), (1191, 15798), (2382, 7899), (2633, 7146), (3573, 5266)]