18090508

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{2311}}^1$

素因数の和:2437

約数の個数: 24

約数和(自身を含む): 33662720

約数和(自身を除く): 15572212

約数列:

[1, 2, 4, 19, 38, 76, 103, 206, 412, 1957, 2311, 3914, 4622, 7828, 9244, 43909, 87818, 175636, 238033, 476066, 952132, 4522627, 9045254, 18090508]

約数ペア:

[(1, 18090508), (2, 9045254), (4, 4522627), (19, 952132), (38, 476066), (76, 238033), (103, 175636), (206, 87818), (412, 43909), (1957, 9244), (2311, 7828), (3914, 4622)]