18319158

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{647}}^1$

素因数の和:690

約数の個数: 72

約数和(自身を含む): 47056464

約数和(自身を除く): 28737306

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 99, 117, 121, 143, 198, 234, 242, 286, 363, 429, 647, 726, 858, 1089, 1287, 1294, 1573, 1941, 2178, 2574, 3146, 3882, 4719, 5823, 7117, 8411, 9438, 11646, 14157, 14234, 16822, 21351, 25233, 28314, 42702, 50466, 64053, 75699, 78287, 92521, 128106, 151398, 156574, 185042, 234861, 277563, 469722, 555126, 704583, 832689, 1017731, 1409166, 1665378, 2035462, 3053193, 6106386, 9159579, 18319158]

約数ペア:

[(1, 18319158), (2, 9159579), (3, 6106386), (6, 3053193), (9, 2035462), (11, 1665378), (13, 1409166), (18, 1017731), (22, 832689), (26, 704583), (33, 555126), (39, 469722), (66, 277563), (78, 234861), (99, 185042), (117, 156574), (121, 151398), (143, 128106), (198, 92521), (234, 78287), (242, 75699), (286, 64053), (363, 50466), (429, 42702), (647, 28314), (726, 25233), (858, 21351), (1089, 16822), (1287, 14234), (1294, 14157), (1573, 11646), (1941, 9438), (2178, 8411), (2574, 7117), (3146, 5823), (3882, 4719)]