19249407

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{2221}}^1$

素因数の和:2340

約数の個数: 20

約数和(自身を含む): 29037096

約数和(自身を除く): 9787689

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 2221, 2889, 6663, 8667, 19989, 59967, 179901, 237647, 712941, 2138823, 6416469, 19249407]

約数ペア:

[(1, 19249407), (3, 6416469), (9, 2138823), (27, 712941), (81, 237647), (107, 179901), (321, 59967), (963, 19989), (2221, 8667), (2889, 6663)]