18697263

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{28201}}^1$

素因数の和:28234

約数の個数: 16

約数和(自身を含む): 28427616

約数和(自身を除く): 9730353

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 28201, 84603, 366613, 479417, 1099839, 1438251, 6232421, 18697263]

約数ペア:

[(1, 18697263), (3, 6232421), (13, 1438251), (17, 1099839), (39, 479417), (51, 366613), (221, 84603), (663, 28201)]