18539276

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{3361}}^1$

素因数の和:3569

約数の個数: 24

約数和(自身を含む): 37277856

約数和(自身を除く): 18738580

約数列:

[1, 2, 4, 7, 14, 28, 197, 394, 788, 1379, 2758, 3361, 5516, 6722, 13444, 23527, 47054, 94108, 662117, 1324234, 2648468, 4634819, 9269638, 18539276]

約数ペア:

[(1, 18539276), (2, 9269638), (4, 4634819), (7, 2648468), (14, 1324234), (28, 662117), (197, 94108), (394, 47054), (788, 23527), (1379, 13444), (2758, 6722), (3361, 5516)]