18747378

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{709}}^1$

素因数の和:843

約数の個数: 48

約数和(自身を含む): 44193240

約数和(自身を除く): 25445862

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 113, 117, 226, 234, 339, 678, 709, 1017, 1418, 1469, 2034, 2127, 2938, 4254, 4407, 6381, 8814, 9217, 12762, 13221, 18434, 26442, 27651, 55302, 80117, 82953, 160234, 165906, 240351, 480702, 721053, 1041521, 1442106, 2083042, 3124563, 6249126, 9373689, 18747378]

約数ペア:

[(1, 18747378), (2, 9373689), (3, 6249126), (6, 3124563), (9, 2083042), (13, 1442106), (18, 1041521), (26, 721053), (39, 480702), (78, 240351), (113, 165906), (117, 160234), (226, 82953), (234, 80117), (339, 55302), (678, 27651), (709, 26442), (1017, 18434), (1418, 13221), (1469, 12762), (2034, 9217), (2127, 8814), (2938, 6381), (4254, 4407)]