18708804

素因数分解:

$2^2\times 3^2\times {\mathrm{509}}^1\times {\mathrm{1021}}^1$

素因数の和:1540

約数の個数: 36

約数和(自身を含む): 47431020

約数和(自身を除く): 28722216

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 509, 1018, 1021, 1527, 2036, 2042, 3054, 3063, 4084, 4581, 6108, 6126, 9162, 9189, 12252, 18324, 18378, 36756, 519689, 1039378, 1559067, 2078756, 3118134, 4677201, 6236268, 9354402, 18708804]

約数ペア:

[(1, 18708804), (2, 9354402), (3, 6236268), (4, 4677201), (6, 3118134), (9, 2078756), (12, 1559067), (18, 1039378), (36, 519689), (509, 36756), (1018, 18378), (1021, 18324), (1527, 12252), (2036, 9189), (2042, 9162), (3054, 6126), (3063, 6108), (4084, 4581)]