19805337

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{17891}}^1$

素因数の和:17941

約数の個数: 16

約数和(自身を含む): 30058560

約数和(自身を除く): 10253223

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 17891, 53673, 161019, 483057, 733531, 2200593, 6601779, 19805337]

約数ペア:

[(1, 19805337), (3, 6601779), (9, 2200593), (27, 733531), (41, 483057), (123, 161019), (369, 53673), (1107, 17891)]