19211139

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{409}}^1$

素因数の和:739

約数の個数: 24

約数和(自身を含む): 29549520

約数和(自身を除く): 10338381

約数列:

[1, 3, 9, 17, 51, 153, 307, 409, 921, 1227, 2763, 3681, 5219, 6953, 15657, 20859, 46971, 62577, 125563, 376689, 1130067, 2134571, 6403713, 19211139]

約数ペア:

[(1, 19211139), (3, 6403713), (9, 2134571), (17, 1130067), (51, 376689), (153, 125563), (307, 62577), (409, 46971), (921, 20859), (1227, 15657), (2763, 6953), (3681, 5219)]