18221094

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:405

約数の個数: 48

約数和(自身を含む): 41081040

約数和(自身を除く): 22859946

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 109, 111, 218, 222, 251, 327, 333, 502, 654, 666, 753, 981, 1506, 1962, 2259, 4033, 4518, 8066, 9287, 12099, 18574, 24198, 27359, 27861, 36297, 54718, 55722, 72594, 82077, 83583, 164154, 167166, 246231, 492462, 1012283, 2024566, 3036849, 6073698, 9110547, 18221094]

約数ペア:

[(1, 18221094), (2, 9110547), (3, 6073698), (6, 3036849), (9, 2024566), (18, 1012283), (37, 492462), (74, 246231), (109, 167166), (111, 164154), (218, 83583), (222, 82077), (251, 72594), (327, 55722), (333, 54718), (502, 36297), (654, 27861), (666, 27359), (753, 24198), (981, 18574), (1506, 12099), (1962, 9287), (2259, 8066), (4033, 4518)]