19656000007

素因数分解:

$7^1\times {\mathrm{251}}^1\times {\mathrm{389}}^1\times {\mathrm{28759}}^1$

素因数の和:29406

約数の個数: 16

約数和(自身を含む): 22612262400

約数和(自身を除く): 2956262393

約数列:

[1, 7, 251, 389, 1757, 2723, 28759, 97639, 201313, 683473, 7218509, 11187251, 50529563, 78310757, 2808000001, 19656000007]

約数ペア:

[(1, 19656000007), (7, 2808000001), (251, 78310757), (389, 50529563), (1757, 11187251), (2723, 7218509), (28759, 683473), (97639, 201313)]