18039303

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 29352960

約数和(自身を除く): 11313657

約数列:

[1, 3, 9, 19, 31, 41, 57, 83, 93, 123, 171, 249, 279, 369, 589, 747, 779, 1271, 1577, 1767, 2337, 2573, 3403, 3813, 4731, 5301, 7011, 7719, 10209, 11439, 14193, 23157, 24149, 30627, 48887, 64657, 72447, 105493, 146661, 193971, 217341, 316479, 439983, 581913, 949437, 2004367, 6013101, 18039303]

約数ペア:

[(1, 18039303), (3, 6013101), (9, 2004367), (19, 949437), (31, 581913), (41, 439983), (57, 316479), (83, 217341), (93, 193971), (123, 146661), (171, 105493), (249, 72447), (279, 64657), (369, 48887), (589, 30627), (747, 24149), (779, 23157), (1271, 14193), (1577, 11439), (1767, 10209), (2337, 7719), (2573, 7011), (3403, 5301), (3813, 4731)]