16998984

素因数分解:

$2^3\times 3^4\times {\mathrm{37}}^1\times {\mathrm{709}}^1$

素因数の和:764

約数の個数: 80

約数和(自身を含む): 48968700

約数和(自身を除く): 31969716

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 37, 54, 72, 74, 81, 108, 111, 148, 162, 216, 222, 296, 324, 333, 444, 648, 666, 709, 888, 999, 1332, 1418, 1998, 2127, 2664, 2836, 2997, 3996, 4254, 5672, 5994, 6381, 7992, 8508, 11988, 12762, 17016, 19143, 23976, 25524, 26233, 38286, 51048, 52466, 57429, 76572, 78699, 104932, 114858, 153144, 157398, 209864, 229716, 236097, 314796, 459432, 472194, 629592, 708291, 944388, 1416582, 1888776, 2124873, 2833164, 4249746, 5666328, 8499492, 16998984]

約数ペア:

[(1, 16998984), (2, 8499492), (3, 5666328), (4, 4249746), (6, 2833164), (8, 2124873), (9, 1888776), (12, 1416582), (18, 944388), (24, 708291), (27, 629592), (36, 472194), (37, 459432), (54, 314796), (72, 236097), (74, 229716), (81, 209864), (108, 157398), (111, 153144), (148, 114858), (162, 104932), (216, 78699), (222, 76572), (296, 57429), (324, 52466), (333, 51048), (444, 38286), (648, 26233), (666, 25524), (709, 23976), (888, 19143), (999, 17016), (1332, 12762), (1418, 11988), (1998, 8508), (2127, 7992), (2664, 6381), (2836, 5994), (2997, 5672), (3996, 4254)]