18042534

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 42624000

約数和(自身を除く): 24581466

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 73, 138, 146, 199, 207, 219, 398, 414, 438, 597, 621, 657, 1194, 1242, 1314, 1679, 1791, 1971, 3358, 3582, 3942, 4577, 5037, 5373, 9154, 10074, 10746, 13731, 14527, 15111, 27462, 29054, 30222, 41193, 43581, 45333, 82386, 87162, 90666, 123579, 130743, 247158, 261486, 334121, 392229, 668242, 784458, 1002363, 2004726, 3007089, 6014178, 9021267, 18042534]

約数ペア:

[(1, 18042534), (2, 9021267), (3, 6014178), (6, 3007089), (9, 2004726), (18, 1002363), (23, 784458), (27, 668242), (46, 392229), (54, 334121), (69, 261486), (73, 247158), (138, 130743), (146, 123579), (199, 90666), (207, 87162), (219, 82386), (398, 45333), (414, 43581), (438, 41193), (597, 30222), (621, 29054), (657, 27462), (1194, 15111), (1242, 14527), (1314, 13731), (1679, 10746), (1791, 10074), (1971, 9154), (3358, 5373), (3582, 5037), (3942, 4577)]