19880613

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{17959}}^1$

素因数の和:18009

約数の個数: 16

約数和(自身を含む): 30172800

約数和(自身を除く): 10292187

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 17959, 53877, 161631, 484893, 736319, 2208957, 6626871, 19880613]

約数ペア:

[(1, 19880613), (3, 6626871), (9, 2208957), (27, 736319), (41, 484893), (123, 161631), (369, 53877), (1107, 17959)]