18857884

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2887}}^1$

素因数の和:2985

約数の個数: 24

約数和(自身を含む): 34933248

約数和(自身を除く): 16075364

約数列:

[1, 2, 4, 23, 46, 71, 92, 142, 284, 1633, 2887, 3266, 5774, 6532, 11548, 66401, 132802, 204977, 265604, 409954, 819908, 4714471, 9428942, 18857884]

約数ペア:

[(1, 18857884), (2, 9428942), (4, 4714471), (23, 819908), (46, 409954), (71, 265604), (92, 204977), (142, 132802), (284, 66401), (1633, 11548), (2887, 6532), (3266, 5774)]