19838403

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{13043}}^1$

素因数の和:13075

約数の個数: 18

約数和(自身を含む): 31031676

約数和(自身を除く): 11193273

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 13043, 39129, 117387, 169559, 508677, 1526031, 2204267, 6612801, 19838403]

約数ペア:

[(1, 19838403), (3, 6612801), (9, 2204267), (13, 1526031), (39, 508677), (117, 169559), (169, 117387), (507, 39129), (1521, 13043)]