18911937

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{983}}^1$

素因数の和:1061

約数の個数: 24

約数和(自身を含む): 28268352

約数和(自身を除く): 9356415

約数列:

[1, 3, 11, 33, 53, 121, 159, 363, 583, 983, 1749, 2949, 6413, 10813, 19239, 32439, 52099, 118943, 156297, 356829, 573089, 1719267, 6303979, 18911937]

約数ペア:

[(1, 18911937), (3, 6303979), (11, 1719267), (33, 573089), (53, 356829), (121, 156297), (159, 118943), (363, 52099), (583, 32439), (983, 19239), (1749, 10813), (2949, 6413)]