19030123

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3719}}^1$

素因数の和:3786

約数の個数: 16

約数和(自身を含む): 23569920

約数和(自身を除く): 4539797

約数列:

[1, 7, 17, 43, 119, 301, 731, 3719, 5117, 26033, 63223, 159917, 442561, 1119419, 2718589, 19030123]

約数ペア:

[(1, 19030123), (7, 2718589), (17, 1119419), (43, 442561), (119, 159917), (301, 63223), (731, 26033), (3719, 5117)]