19918646

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{709}}^1\times {\mathrm{1277}}^1$

素因数の和:1999

約数の個数: 16

約数和(自身を含む): 32665680

約数和(自身を除く): 12747034

約数列:

[1, 2, 11, 22, 709, 1277, 1418, 2554, 7799, 14047, 15598, 28094, 905393, 1810786, 9959323, 19918646]

約数ペア:

[(1, 19918646), (2, 9959323), (11, 1810786), (22, 905393), (709, 28094), (1277, 15598), (1418, 14047), (2554, 7799)]