18680704

素因数分解:

$2^7\times 7^1\times {\mathrm{20849}}^1$

素因数の和:20870

約数の個数: 32

約数和(自身を含む): 42534000

約数和(自身を除く): 23853296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 20849, 41698, 83396, 145943, 166792, 291886, 333584, 583772, 667168, 1167544, 1334336, 2335088, 2668672, 4670176, 9340352, 18680704]

約数ペア:

[(1, 18680704), (2, 9340352), (4, 4670176), (7, 2668672), (8, 2335088), (14, 1334336), (16, 1167544), (28, 667168), (32, 583772), (56, 333584), (64, 291886), (112, 166792), (128, 145943), (224, 83396), (448, 41698), (896, 20849)]