18901802

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{953}}^1$

素因数の和:1213

約数の個数: 16

約数和(自身を含む): 29123712

約数和(自身を除く): 10221910

約数列:

[1, 2, 47, 94, 211, 422, 953, 1906, 9917, 19834, 44791, 89582, 201083, 402166, 9450901, 18901802]

約数ペア:

[(1, 18901802), (2, 9450901), (47, 402166), (94, 201083), (211, 89582), (422, 44791), (953, 19834), (1906, 9917)]