19838566

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:436

約数の個数: 32

約数和(自身を含む): 33821568

約数和(自身を除く): 13983002

約数列:

[1, 2, 11, 22, 43, 67, 86, 134, 313, 473, 626, 737, 946, 1474, 2881, 3443, 5762, 6886, 13459, 20971, 26918, 31691, 41942, 63382, 148049, 230681, 296098, 461362, 901753, 1803506, 9919283, 19838566]

約数ペア:

[(1, 19838566), (2, 9919283), (11, 1803506), (22, 901753), (43, 461362), (67, 296098), (86, 230681), (134, 148049), (313, 63382), (473, 41942), (626, 31691), (737, 26918), (946, 20971), (1474, 13459), (2881, 6886), (3443, 5762)]