18659729

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 22238208

約数和(自身を除く): 3578479

約数列:

[1, 11, 19, 37, 127, 209, 361, 407, 703, 1397, 2413, 3971, 4699, 7733, 13357, 26543, 45847, 51689, 89281, 146927, 504317, 982091, 1696339, 18659729]

約数ペア:

[(1, 18659729), (11, 1696339), (19, 982091), (37, 504317), (127, 146927), (209, 89281), (361, 51689), (407, 45847), (703, 26543), (1397, 13357), (2413, 7733), (3971, 4699)]