18863691

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{643}}^1$

素因数の和:791

約数の個数: 32

約数和(自身を含む): 31653888

約数和(自身を除く): 12790197

約数列:

[1, 3, 7, 11, 21, 33, 77, 127, 231, 381, 643, 889, 1397, 1929, 2667, 4191, 4501, 7073, 9779, 13503, 21219, 29337, 49511, 81661, 148533, 244983, 571627, 898271, 1714881, 2694813, 6287897, 18863691]

約数ペア:

[(1, 18863691), (3, 6287897), (7, 2694813), (11, 1714881), (21, 898271), (33, 571627), (77, 244983), (127, 148533), (231, 81661), (381, 49511), (643, 29337), (889, 21219), (1397, 13503), (1929, 9779), (2667, 7073), (4191, 4501)]