19461681

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{643}}^1$

素因数の和:730

約数の個数: 32

約数和(自身を含む): 30912000

約数和(自身を除く): 11450319

約数列:

[1, 3, 9, 19, 27, 57, 59, 171, 177, 513, 531, 643, 1121, 1593, 1929, 3363, 5787, 10089, 12217, 17361, 30267, 36651, 37937, 109953, 113811, 329859, 341433, 720803, 1024299, 2162409, 6487227, 19461681]

約数ペア:

[(1, 19461681), (3, 6487227), (9, 2162409), (19, 1024299), (27, 720803), (57, 341433), (59, 329859), (171, 113811), (177, 109953), (513, 37937), (531, 36651), (643, 30267), (1121, 17361), (1593, 12217), (1929, 10089), (3363, 5787)]