19811124

素因数分解:

$2^2\times 3^2\times {\mathrm{550309}}^1$

素因数の和:550319

約数の個数: 18

約数和(自身を含む): 50078210

約数和(自身を除く): 30267086

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 550309, 1100618, 1650927, 2201236, 3301854, 4952781, 6603708, 9905562, 19811124]

約数ペア:

[(1, 19811124), (2, 9905562), (3, 6603708), (4, 4952781), (6, 3301854), (9, 2201236), (12, 1650927), (18, 1100618), (36, 550309)]