19719777

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4493}}^1$

素因数の和:4533

約数の個数: 32

約数和(自身を含む): 34513920

約数和(自身を除く): 14794143

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463, 4389, 4493, 13479, 31451, 49423, 85367, 94353, 148269, 256101, 345961, 597569, 939037, 1037883, 1792707, 2817111, 6573259, 19719777]

約数ペア:

[(1, 19719777), (3, 6573259), (7, 2817111), (11, 1792707), (19, 1037883), (21, 939037), (33, 597569), (57, 345961), (77, 256101), (133, 148269), (209, 94353), (231, 85367), (399, 49423), (627, 31451), (1463, 13479), (4389, 4493)]