19492040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21187}}^1$

素因数の和:21221

約数の個数: 32

約数和(自身を含む): 45766080

約数和(自身を除く): 26274040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 21187, 42374, 84748, 105935, 169496, 211870, 423740, 487301, 847480, 974602, 1949204, 2436505, 3898408, 4873010, 9746020, 19492040]

約数ペア:

[(1, 19492040), (2, 9746020), (4, 4873010), (5, 3898408), (8, 2436505), (10, 1949204), (20, 974602), (23, 847480), (40, 487301), (46, 423740), (92, 211870), (115, 169496), (184, 105935), (230, 84748), (460, 42374), (920, 21187)]