19731951

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{42989}}^1$

素因数の和:43015

約数の個数: 16

約数和(自身を含む): 30952800

約数和(自身を除く): 11220849

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 42989, 128967, 386901, 730813, 1160703, 2192439, 6577317, 19731951]

約数ペア:

[(1, 19731951), (3, 6577317), (9, 2192439), (17, 1160703), (27, 730813), (51, 386901), (153, 128967), (459, 42989)]