19744460

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{4349}}^1$

素因数の和:4585

約数の個数: 24

約数和(自身を含む): 41655600

約数和(自身を除く): 21911140

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4349, 4540, 8698, 17396, 21745, 43490, 86980, 987223, 1974446, 3948892, 4936115, 9872230, 19744460]

約数ペア:

[(1, 19744460), (2, 9872230), (4, 4936115), (5, 3948892), (10, 1974446), (20, 987223), (227, 86980), (454, 43490), (908, 21745), (1135, 17396), (2270, 8698), (4349, 4540)]