19838896

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16103}}^1$

素因数の和:16129

約数の個数: 40

約数和(自身を含む): 47925504

約数和(自身を除く): 28086608

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 16103, 32206, 64412, 112721, 128824, 177133, 225442, 257648, 354266, 450884, 708532, 901768, 1239931, 1417064, 1803536, 2479862, 2834128, 4959724, 9919448, 19838896]

約数ペア:

[(1, 19838896), (2, 9919448), (4, 4959724), (7, 2834128), (8, 2479862), (11, 1803536), (14, 1417064), (16, 1239931), (22, 901768), (28, 708532), (44, 450884), (56, 354266), (77, 257648), (88, 225442), (112, 177133), (154, 128824), (176, 112721), (308, 64412), (616, 32206), (1232, 16103)]