18538924

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{547}}^1$

素因数の和:817

約数の個数: 24

約数和(自身を含む): 33526640

約数和(自身を除く): 14987716

約数列:

[1, 2, 4, 37, 74, 148, 229, 458, 547, 916, 1094, 2188, 8473, 16946, 20239, 33892, 40478, 80956, 125263, 250526, 501052, 4634731, 9269462, 18538924]

約数ペア:

[(1, 18538924), (2, 9269462), (4, 4634731), (37, 501052), (74, 250526), (148, 125263), (229, 80956), (458, 40478), (547, 33892), (916, 20239), (1094, 16946), (2188, 8473)]