18891838

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{28711}}^1$

素因数の和:28767

約数の個数: 16

約数和(自身を含む): 33076224

約数和(自身を除く): 14184386

約数列:

[1, 2, 7, 14, 47, 94, 329, 658, 28711, 57422, 200977, 401954, 1349417, 2698834, 9445919, 18891838]

約数ペア:

[(1, 18891838), (2, 9445919), (7, 2698834), (14, 1349417), (47, 401954), (94, 200977), (329, 57422), (658, 28711)]