18426317

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 24659712

約数和(自身を除く): 6233395

約数列:

[1, 7, 13, 17, 43, 91, 119, 221, 277, 301, 559, 731, 1547, 1939, 3601, 3913, 4709, 5117, 9503, 11911, 25207, 32963, 61217, 66521, 83377, 154843, 202487, 428519, 1083901, 1417409, 2632331, 18426317]

約数ペア:

[(1, 18426317), (7, 2632331), (13, 1417409), (17, 1083901), (43, 428519), (91, 202487), (119, 154843), (221, 83377), (277, 66521), (301, 61217), (559, 32963), (731, 25207), (1547, 11911), (1939, 9503), (3601, 5117), (3913, 4709)]