19805486

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{4871}}^1$

素因数の和:4999

約数の個数: 16

約数和(自身を含む): 31570560

約数和(自身を除く): 11765074

約数列:

[1, 2, 19, 38, 107, 214, 2033, 4066, 4871, 9742, 92549, 185098, 521197, 1042394, 9902743, 19805486]

約数ペア:

[(1, 19805486), (2, 9902743), (19, 1042394), (38, 521197), (107, 185098), (214, 92549), (2033, 9742), (4066, 4871)]