18029011

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 25740288

約数和(自身を除く): 7711277

約数列:

[1, 7, 11, 13, 31, 49, 77, 83, 91, 143, 217, 341, 403, 539, 581, 637, 913, 1001, 1079, 1519, 2387, 2573, 2821, 4067, 4433, 6391, 7007, 7553, 11869, 16709, 18011, 19747, 28303, 31031, 33449, 44737, 52871, 83083, 126077, 198121, 217217, 234143, 367939, 581581, 1386847, 1639001, 2575573, 18029011]

約数ペア:

[(1, 18029011), (7, 2575573), (11, 1639001), (13, 1386847), (31, 581581), (49, 367939), (77, 234143), (83, 217217), (91, 198121), (143, 126077), (217, 83083), (341, 52871), (403, 44737), (539, 33449), (581, 31031), (637, 28303), (913, 19747), (1001, 18011), (1079, 16709), (1519, 11869), (2387, 7553), (2573, 7007), (2821, 6391), (4067, 4433)]