18073405

素因数分解:

$5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1039}}^1$

素因数の和:1129

約数の個数: 24

約数和(自身を含む): 25608960

約数和(自身を除く): 7535555

約数列:

[1, 5, 7, 35, 49, 71, 245, 355, 497, 1039, 2485, 3479, 5195, 7273, 17395, 36365, 50911, 73769, 254555, 368845, 516383, 2581915, 3614681, 18073405]

約数ペア:

[(1, 18073405), (5, 3614681), (7, 2581915), (35, 516383), (49, 368845), (71, 254555), (245, 73769), (355, 50911), (497, 36365), (1039, 17395), (2485, 7273), (3479, 5195)]