18455801

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{4139}}^1$

素因数の和:4173

約数の個数: 16

約数和(自身を含む): 23184000

約数和(自身を除く): 4728199

約数列:

[1, 7, 13, 49, 91, 343, 637, 4139, 4459, 28973, 53807, 202811, 376649, 1419677, 2636543, 18455801]

約数ペア:

[(1, 18455801), (7, 2636543), (13, 1419677), (49, 376649), (91, 202811), (343, 53807), (637, 28973), (4139, 4459)]