19903364

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12347}}^1$

素因数の和:12395

約数の個数: 24

約数和(自身を含む): 38723328

約数和(自身を除く): 18819964

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 12347, 24694, 49388, 160511, 321022, 382757, 642044, 765514, 1531028, 4975841, 9951682, 19903364]

約数ペア:

[(1, 19903364), (2, 9951682), (4, 4975841), (13, 1531028), (26, 765514), (31, 642044), (52, 382757), (62, 321022), (124, 160511), (403, 49388), (806, 24694), (1612, 12347)]