18156964

素因数分解:

$2^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1667}}^1$

素因数の和:2067

約数の個数: 24

約数和(自身を含む): 36429120

約数和(自身を除く): 18272156

約数列:

[1, 2, 4, 7, 14, 28, 389, 778, 1556, 1667, 2723, 3334, 5446, 6668, 10892, 11669, 23338, 46676, 648463, 1296926, 2593852, 4539241, 9078482, 18156964]

約数ペア:

[(1, 18156964), (2, 9078482), (4, 4539241), (7, 2593852), (14, 1296926), (28, 648463), (389, 46676), (778, 23338), (1556, 11669), (1667, 10892), (2723, 6668), (3334, 5446)]