19704879

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{863}}^1$

素因数の和:971

約数の個数: 24

約数和(自身を含む): 29652480

約数和(自身を除く): 9947601

約数列:

[1, 3, 9, 43, 59, 129, 177, 387, 531, 863, 2537, 2589, 7611, 7767, 22833, 37109, 50917, 111327, 152751, 333981, 458253, 2189431, 6568293, 19704879]

約数ペア:

[(1, 19704879), (3, 6568293), (9, 2189431), (43, 458253), (59, 333981), (129, 152751), (177, 111327), (387, 50917), (531, 37109), (863, 22833), (2537, 7767), (2589, 7611)]