18531992

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{121921}}^1$

素因数の和:121946

約数の個数: 16

約数和(自身を含む): 36576600

約数和(自身を除く): 18044608

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 121921, 243842, 487684, 975368, 2316499, 4632998, 9265996, 18531992]

約数ペア:

[(1, 18531992), (2, 9265996), (4, 4632998), (8, 2316499), (19, 975368), (38, 487684), (76, 243842), (152, 121921)]