18982689

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{12239}}^1$

素因数の和:12300

約数の個数: 16

約数和(自身を含む): 28200960

約数和(自身を除く): 9218271

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 12239, 36717, 134629, 403887, 575233, 1725699, 6327563, 18982689]

約数ペア:

[(1, 18982689), (3, 6327563), (11, 1725699), (33, 575233), (47, 403887), (141, 134629), (517, 36717), (1551, 12239)]