18692181

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{439}}^1$

素因数の和:550

約数の個数: 32

約数和(自身を含む): 29568000

約数和(自身を除く): 10875819

約数列:

[1, 3, 9, 19, 27, 57, 83, 171, 249, 439, 513, 747, 1317, 1577, 2241, 3951, 4731, 8341, 11853, 14193, 25023, 36437, 42579, 75069, 109311, 225207, 327933, 692303, 983799, 2076909, 6230727, 18692181]

約数ペア:

[(1, 18692181), (3, 6230727), (9, 2076909), (19, 983799), (27, 692303), (57, 327933), (83, 225207), (171, 109311), (249, 75069), (439, 42579), (513, 36437), (747, 25023), (1317, 14193), (1577, 11853), (2241, 8341), (3951, 4731)]