19422020

素因数分解:

$2^2\times 5^1\times {\mathrm{743}}^1\times {\mathrm{1307}}^1$

素因数の和:2059

約数の個数: 24

約数和(自身を含む): 40872384

約数和(自身を除く): 21450364

約数列:

[1, 2, 4, 5, 10, 20, 743, 1307, 1486, 2614, 2972, 3715, 5228, 6535, 7430, 13070, 14860, 26140, 971101, 1942202, 3884404, 4855505, 9711010, 19422020]

約数ペア:

[(1, 19422020), (2, 9711010), (4, 4855505), (5, 3884404), (10, 1942202), (20, 971101), (743, 26140), (1307, 14860), (1486, 13070), (2614, 7430), (2972, 6535), (3715, 5228)]