18787856

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{69073}}^1$

素因数の和:69098

約数の個数: 20

約数和(自身を含む): 38543292

約数和(自身を除く): 19755436

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 69073, 138146, 276292, 552584, 1105168, 1174241, 2348482, 4696964, 9393928, 18787856]

約数ペア:

[(1, 18787856), (2, 9393928), (4, 4696964), (8, 2348482), (16, 1174241), (17, 1105168), (34, 552584), (68, 276292), (136, 138146), (272, 69073)]