19973583

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2963}}^1$

素因数の和:3083

約数の個数: 24

約数和(自身を含む): 33291648

約数和(自身を除く): 13318065

約数列:

[1, 3, 7, 9, 21, 63, 107, 321, 749, 963, 2247, 2963, 6741, 8889, 20741, 26667, 62223, 186669, 317041, 951123, 2219287, 2853369, 6657861, 19973583]

約数ペア:

[(1, 19973583), (3, 6657861), (7, 2853369), (9, 2219287), (21, 951123), (63, 317041), (107, 186669), (321, 62223), (749, 26667), (963, 20741), (2247, 8889), (2963, 6741)]