18629406

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 43338240

約数和(自身を除く): 24708834

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 71, 86, 113, 129, 142, 213, 226, 258, 339, 387, 426, 639, 678, 774, 1017, 1161, 1278, 1917, 2034, 2322, 3051, 3053, 3834, 4859, 6102, 6106, 8023, 9159, 9718, 14577, 16046, 18318, 24069, 27477, 29154, 43731, 48138, 54954, 72207, 82431, 87462, 131193, 144414, 164862, 216621, 262386, 344989, 433242, 689978, 1034967, 2069934, 3104901, 6209802, 9314703, 18629406]

約数ペア:

[(1, 18629406), (2, 9314703), (3, 6209802), (6, 3104901), (9, 2069934), (18, 1034967), (27, 689978), (43, 433242), (54, 344989), (71, 262386), (86, 216621), (113, 164862), (129, 144414), (142, 131193), (213, 87462), (226, 82431), (258, 72207), (339, 54954), (387, 48138), (426, 43731), (639, 29154), (678, 27477), (774, 24069), (1017, 18318), (1161, 16046), (1278, 14577), (1917, 9718), (2034, 9159), (2322, 8023), (3051, 6106), (3053, 6102), (3834, 4859)]