18353489

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2003}}^1$

素因数の和:2045

約数の個数: 24

約数和(自身を含む): 24673248

約数和(自身を除く): 6319759

約数列:

[1, 7, 11, 17, 49, 77, 119, 187, 539, 833, 1309, 2003, 9163, 14021, 22033, 34051, 98147, 154231, 238357, 374561, 1079617, 1668499, 2621927, 18353489]

約数ペア:

[(1, 18353489), (7, 2621927), (11, 1668499), (17, 1079617), (49, 374561), (77, 238357), (119, 154231), (187, 98147), (539, 34051), (833, 22033), (1309, 14021), (2003, 9163)]