18507220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1877}}^1$

素因数の和:1932

約数の個数: 48

約数和(自身を含む): 42593040

約数和(自身を除く): 24085820

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1877, 1972, 2465, 3754, 4930, 7508, 9385, 9860, 18770, 31909, 37540, 54433, 63818, 108866, 127636, 159545, 217732, 272165, 319090, 544330, 638180, 925361, 1088660, 1850722, 3701444, 4626805, 9253610, 18507220]

約数ペア:

[(1, 18507220), (2, 9253610), (4, 4626805), (5, 3701444), (10, 1850722), (17, 1088660), (20, 925361), (29, 638180), (34, 544330), (58, 319090), (68, 272165), (85, 217732), (116, 159545), (145, 127636), (170, 108866), (290, 63818), (340, 54433), (493, 37540), (580, 31909), (986, 18770), (1877, 9860), (1972, 9385), (2465, 7508), (3754, 4930)]