18817064

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4603}}^1$

素因数の和:4689

約数の個数: 32

約数和(自身を含む): 40883520

約数和(自身を除く): 22066456

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 146, 292, 511, 584, 1022, 2044, 4088, 4603, 9206, 18412, 32221, 36824, 64442, 128884, 257768, 336019, 672038, 1344076, 2352133, 2688152, 4704266, 9408532, 18817064]

約数ペア:

[(1, 18817064), (2, 9408532), (4, 4704266), (7, 2688152), (8, 2352133), (14, 1344076), (28, 672038), (56, 336019), (73, 257768), (146, 128884), (292, 64442), (511, 36824), (584, 32221), (1022, 18412), (2044, 9206), (4088, 4603)]