19684431

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{56081}}^1$

素因数の和:56103

約数の個数: 16

約数和(自身を含む): 31405920

約数和(自身を除く): 11721489

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 56081, 168243, 504729, 729053, 1514187, 2187159, 6561477, 19684431]

約数ペア:

[(1, 19684431), (3, 6561477), (9, 2187159), (13, 1514187), (27, 729053), (39, 504729), (117, 168243), (351, 56081)]