18788608

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{3191}}^1$

素因数の和:3230

約数の個数: 36

約数和(自身を含む): 39146688

約数和(自身を除く): 20358080

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 736, 1472, 2944, 3191, 5888, 6382, 12764, 25528, 51056, 73393, 102112, 146786, 204224, 293572, 408448, 587144, 816896, 1174288, 2348576, 4697152, 9394304, 18788608]

約数ペア:

[(1, 18788608), (2, 9394304), (4, 4697152), (8, 2348576), (16, 1174288), (23, 816896), (32, 587144), (46, 408448), (64, 293572), (92, 204224), (128, 146786), (184, 102112), (256, 73393), (368, 51056), (736, 25528), (1472, 12764), (2944, 6382), (3191, 5888)]