2019418933

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{20771}}^1$

素因数の和:20857

約数の個数: 32

約数和(自身を含む): 2632227840

約数和(自身を除く): 612808907

約数列:

[1, 7, 17, 19, 43, 119, 133, 301, 323, 731, 817, 2261, 5117, 5719, 13889, 20771, 97223, 145397, 353107, 394649, 893153, 2471749, 2762543, 6252071, 6709033, 15183601, 16969907, 46963231, 106285207, 118789349, 288488419, 2019418933]

約数ペア:

[(1, 2019418933), (7, 288488419), (17, 118789349), (19, 106285207), (43, 46963231), (119, 16969907), (133, 15183601), (301, 6709033), (323, 6252071), (731, 2762543), (817, 2471749), (2261, 893153), (5117, 394649), (5719, 353107), (13889, 145397), (20771, 97223)]