12640838

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{19211}}^1$

素因数の和:19267

約数の個数: 16

約数和(自身を含む): 22132224

約数和(自身を除く): 9491386

約数列:

[1, 2, 7, 14, 47, 94, 329, 658, 19211, 38422, 134477, 268954, 902917, 1805834, 6320419, 12640838]

約数ペア:

[(1, 12640838), (2, 6320419), (7, 1805834), (14, 902917), (47, 268954), (94, 134477), (329, 38422), (658, 19211)]