18507608

素因数分解:

$2^3\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1979}}^1$

素因数の和:2159

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 21409192

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 167, 334, 668, 1169, 1336, 1979, 2338, 3958, 4676, 7916, 9352, 13853, 15832, 27706, 55412, 110824, 330493, 660986, 1321972, 2313451, 2643944, 4626902, 9253804, 18507608]

約数ペア:

[(1, 18507608), (2, 9253804), (4, 4626902), (7, 2643944), (8, 2313451), (14, 1321972), (28, 660986), (56, 330493), (167, 110824), (334, 55412), (668, 27706), (1169, 15832), (1336, 13853), (1979, 9352), (2338, 7916), (3958, 4676)]