19810292

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{193}}^1\times {\mathrm{383}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 35460096

約数和(自身を除く): 15649804

約数列:

[1, 2, 4, 67, 134, 193, 268, 383, 386, 766, 772, 1532, 12931, 25661, 25862, 51322, 51724, 73919, 102644, 147838, 295676, 4952573, 9905146, 19810292]

約数ペア:

[(1, 19810292), (2, 9905146), (4, 4952573), (67, 295676), (134, 147838), (193, 102644), (268, 73919), (383, 51724), (386, 51322), (766, 25862), (772, 25661), (1532, 12931)]