18954364

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{2549}}^1$

素因数の和:2590

約数の個数: 36

約数和(自身を含む): 39198600

約数和(自身を除く): 20244236

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 169, 286, 338, 572, 676, 1859, 2549, 3718, 5098, 7436, 10196, 28039, 33137, 56078, 66274, 112156, 132548, 364507, 430781, 729014, 861562, 1458028, 1723124, 4738591, 9477182, 18954364]

約数ペア:

[(1, 18954364), (2, 9477182), (4, 4738591), (11, 1723124), (13, 1458028), (22, 861562), (26, 729014), (44, 430781), (52, 364507), (143, 132548), (169, 112156), (286, 66274), (338, 56078), (572, 33137), (676, 28039), (1859, 10196), (2549, 7436), (3718, 5098)]