19704729

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{2857}}^1$

素因数の和:2901

約数の個数: 24

約数和(自身を含む): 30409120

約数和(自身を除く): 10704391

約数列:

[1, 3, 11, 19, 33, 57, 121, 209, 363, 627, 2299, 2857, 6897, 8571, 31427, 54283, 94281, 162849, 345697, 597113, 1037091, 1791339, 6568243, 19704729]

約数ペア:

[(1, 19704729), (3, 6568243), (11, 1791339), (19, 1037091), (33, 597113), (57, 345697), (121, 162849), (209, 94281), (363, 54283), (627, 31427), (2299, 8571), (2857, 6897)]