16921818

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{16493}}^1$

素因数の和:16523

約数の個数: 32

約数和(自身を含む): 39585600

約数和(自身を除く): 22663782

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 1026, 16493, 32986, 49479, 98958, 148437, 296874, 313367, 445311, 626734, 890622, 940101, 1880202, 2820303, 5640606, 8460909, 16921818]

約数ペア:

[(1, 16921818), (2, 8460909), (3, 5640606), (6, 2820303), (9, 1880202), (18, 940101), (19, 890622), (27, 626734), (38, 445311), (54, 313367), (57, 296874), (114, 148437), (171, 98958), (342, 49479), (513, 32986), (1026, 16493)]