19403090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2543}}^1$

素因数の和:2666

約数の個数: 32

約数和(自身を含む): 40296960

約数和(自身を除く): 20893870

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 218, 545, 763, 1090, 1526, 2543, 3815, 5086, 7630, 12715, 17801, 25430, 35602, 89005, 178010, 277187, 554374, 1385935, 1940309, 2771870, 3880618, 9701545, 19403090]

約数ペア:

[(1, 19403090), (2, 9701545), (5, 3880618), (7, 2771870), (10, 1940309), (14, 1385935), (35, 554374), (70, 277187), (109, 178010), (218, 89005), (545, 35602), (763, 25430), (1090, 17801), (1526, 12715), (2543, 7630), (3815, 5086)]