18809036

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{643}}^1$

素因数の和:821

約数の個数: 24

約数和(自身を含む): 33755904

約数和(自身を除く): 14946868

約数列:

[1, 2, 4, 71, 103, 142, 206, 284, 412, 643, 1286, 2572, 7313, 14626, 29252, 45653, 66229, 91306, 132458, 182612, 264916, 4702259, 9404518, 18809036]

約数ペア:

[(1, 18809036), (2, 9404518), (4, 4702259), (71, 264916), (103, 182612), (142, 132458), (206, 91306), (284, 66229), (412, 45653), (643, 29252), (1286, 14626), (2572, 7313)]