18129188

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{5351}}^1$

素因数の和:5384

約数の個数: 36

約数和(自身を含む): 39861696

約数和(自身を除く): 21732508

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 847, 1694, 3388, 5351, 10702, 21404, 37457, 58861, 74914, 117722, 149828, 235444, 412027, 647471, 824054, 1294942, 1648108, 2589884, 4532297, 9064594, 18129188]

約数ペア:

[(1, 18129188), (2, 9064594), (4, 4532297), (7, 2589884), (11, 1648108), (14, 1294942), (22, 824054), (28, 647471), (44, 412027), (77, 235444), (121, 149828), (154, 117722), (242, 74914), (308, 58861), (484, 37457), (847, 21404), (1694, 10702), (3388, 5351)]