18733507

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:175

約数の個数: 32

約数和(自身を含む): 22982400

約数和(自身を除く): 4248893

約数列:

[1, 13, 17, 29, 37, 79, 221, 377, 481, 493, 629, 1027, 1073, 1343, 2291, 2923, 6409, 8177, 13949, 17459, 18241, 29783, 37999, 38947, 49691, 84767, 237133, 506311, 645983, 1101971, 1441039, 18733507]

約数ペア:

[(1, 18733507), (13, 1441039), (17, 1101971), (29, 645983), (37, 506311), (79, 237133), (221, 84767), (377, 49691), (481, 38947), (493, 37999), (629, 29783), (1027, 18241), (1073, 17459), (1343, 13949), (2291, 8177), (2923, 6409)]