18345745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^2\times {\mathrm{151}}^1$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 24700608

約数和(自身を除く): 6354863

約数列:

[1, 5, 11, 47, 55, 151, 235, 517, 755, 1661, 2209, 2585, 7097, 8305, 11045, 24299, 35485, 78067, 121495, 333559, 390335, 1667795, 3669149, 18345745]

約数ペア:

[(1, 18345745), (5, 3669149), (11, 1667795), (47, 390335), (55, 333559), (151, 121495), (235, 78067), (517, 35485), (755, 24299), (1661, 11045), (2209, 8305), (2585, 7097)]