18054491

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{4049}}^1$

素因数の和:4083

約数の個数: 16

約数和(自身を含む): 22680000

約数和(自身を除く): 4625509

約数列:

[1, 7, 13, 49, 91, 343, 637, 4049, 4459, 28343, 52637, 198401, 368459, 1388807, 2579213, 18054491]

約数ペア:

[(1, 18054491), (7, 2579213), (13, 1388807), (49, 368459), (91, 198401), (343, 52637), (637, 28343), (4049, 4459)]