18719866

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{1733}}^1$

素因数の和:2237

約数の個数: 16

約数和(自身を含む): 30712608

約数和(自身を除く): 11992742

約数列:

[1, 2, 11, 22, 491, 982, 1733, 3466, 5401, 10802, 19063, 38126, 850903, 1701806, 9359933, 18719866]

約数ペア:

[(1, 18719866), (2, 9359933), (11, 1701806), (22, 850903), (491, 38126), (982, 19063), (1733, 10802), (3466, 5401)]