18732856

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1669}}^1$

素因数の和:1759

約数の個数: 32

約数和(自身を含む): 37274400

約数和(自身を除く): 18541544

約数列:

[1, 2, 4, 8, 23, 46, 61, 92, 122, 184, 244, 488, 1403, 1669, 2806, 3338, 5612, 6676, 11224, 13352, 38387, 76774, 101809, 153548, 203618, 307096, 407236, 814472, 2341607, 4683214, 9366428, 18732856]

約数ペア:

[(1, 18732856), (2, 9366428), (4, 4683214), (8, 2341607), (23, 814472), (46, 407236), (61, 307096), (92, 203618), (122, 153548), (184, 101809), (244, 76774), (488, 38387), (1403, 13352), (1669, 11224), (2806, 6676), (3338, 5612)]