19071819

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{12539}}^1$

素因数の和:12571

約数の個数: 18

約数和(自身を含む): 29832660

約数和(自身を除く): 10760841

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 12539, 37617, 112851, 163007, 489021, 1467063, 2119091, 6357273, 19071819]

約数ペア:

[(1, 19071819), (3, 6357273), (9, 2119091), (13, 1467063), (39, 489021), (117, 163007), (169, 112851), (507, 37617), (1521, 12539)]