18219929

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{577}}^1$

素因数の和:944

約数の個数: 16

約数和(自身を含む): 22528128

約数和(自身を除く): 4308199

約数列:

[1, 7, 13, 91, 347, 577, 2429, 4039, 4511, 7501, 31577, 52507, 200219, 1401533, 2602847, 18219929]

約数ペア:

[(1, 18219929), (7, 2602847), (13, 1401533), (91, 200219), (347, 52507), (577, 31577), (2429, 7501), (4039, 4511)]