19440117

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1$

素因数の和:489

約数の個数: 24

約数和(自身を含む): 28867904

約数和(自身を除く): 9427787

約数列:

[1, 3, 9, 67, 103, 201, 309, 313, 603, 927, 939, 2817, 6901, 20703, 20971, 32239, 62109, 62913, 96717, 188739, 290151, 2160013, 6480039, 19440117]

約数ペア:

[(1, 19440117), (3, 6480039), (9, 2160013), (67, 290151), (103, 188739), (201, 96717), (309, 62913), (313, 62109), (603, 32239), (927, 20971), (939, 20703), (2817, 6901)]