18669009

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{8513}}^1$

素因数の和:8576

約数の個数: 16

約数和(自身を含む): 26972352

約数和(自身を除く): 8303343

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 8513, 25539, 144721, 366059, 434163, 1098177, 6223003, 18669009]

約数ペア:

[(1, 18669009), (3, 6223003), (17, 1098177), (43, 434163), (51, 366059), (129, 144721), (731, 25539), (2193, 8513)]