19789479

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{613}}^1$

素因数の和:847

約数の個数: 24

約数和(自身を含む): 30459312

約数和(自身を除く): 10669833

約数列:

[1, 3, 9, 17, 51, 153, 211, 613, 633, 1839, 1899, 3587, 5517, 10421, 10761, 31263, 32283, 93789, 129343, 388029, 1164087, 2198831, 6596493, 19789479]

約数ペア:

[(1, 19789479), (3, 6596493), (9, 2198831), (17, 1164087), (51, 388029), (153, 129343), (211, 93789), (613, 32283), (633, 31263), (1839, 10761), (1899, 10421), (3587, 5517)]