18219903

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{27481}}^1$

素因数の和:27514

約数の個数: 16

約数和(自身を含む): 27701856

約数和(自身を除く): 9481953

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 27481, 82443, 357253, 467177, 1071759, 1401531, 6073301, 18219903]

約数ペア:

[(1, 18219903), (3, 6073301), (13, 1401531), (17, 1071759), (39, 467177), (51, 357253), (221, 82443), (663, 27481)]