18986328

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{7127}}^1$

素因数の和:7176

約数の個数: 48

約数和(自身を含む): 52818480

約数和(自身を除く): 33832152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 72, 74, 111, 148, 222, 296, 333, 444, 666, 888, 1332, 2664, 7127, 14254, 21381, 28508, 42762, 57016, 64143, 85524, 128286, 171048, 256572, 263699, 513144, 527398, 791097, 1054796, 1582194, 2109592, 2373291, 3164388, 4746582, 6328776, 9493164, 18986328]

約数ペア:

[(1, 18986328), (2, 9493164), (3, 6328776), (4, 4746582), (6, 3164388), (8, 2373291), (9, 2109592), (12, 1582194), (18, 1054796), (24, 791097), (36, 527398), (37, 513144), (72, 263699), (74, 256572), (111, 171048), (148, 128286), (222, 85524), (296, 64143), (333, 57016), (444, 42762), (666, 28508), (888, 21381), (1332, 14254), (2664, 7127)]