19904533

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{727}}^1$

素因数の和:888

約数の個数: 16

約数和(自身を含む): 23063040

約数和(自身を除く): 3158507

約数列:

[1, 11, 19, 131, 209, 727, 1441, 2489, 7997, 13813, 27379, 95237, 151943, 1047607, 1809503, 19904533]

約数ペア:

[(1, 19904533), (11, 1809503), (19, 1047607), (131, 151943), (209, 95237), (727, 27379), (1441, 13813), (2489, 7997)]