19786963

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{9781}}^1$

素因数の和:9822

約数の個数: 12

約数和(自身を含む): 24024592

約数和(自身を除く): 4237629

約数列:

[1, 7, 17, 119, 289, 2023, 9781, 68467, 166277, 1163939, 2826709, 19786963]

約数ペア:

[(1, 19786963), (7, 2826709), (17, 1163939), (119, 166277), (289, 68467), (2023, 9781)]