18517870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2083}}^1$

素因数の和:2224

約数の個数: 32

約数和(自身を含む): 38412288

約数和(自身を除く): 19894418

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 127, 254, 635, 889, 1270, 1778, 2083, 4166, 4445, 8890, 10415, 14581, 20830, 29162, 72905, 145810, 264541, 529082, 1322705, 1851787, 2645410, 3703574, 9258935, 18517870]

約数ペア:

[(1, 18517870), (2, 9258935), (5, 3703574), (7, 2645410), (10, 1851787), (14, 1322705), (35, 529082), (70, 264541), (127, 145810), (254, 72905), (635, 29162), (889, 20830), (1270, 14581), (1778, 10415), (2083, 8890), (4166, 4445)]