18007821

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{153913}}^1$

素因数の和:153932

約数の個数: 12

約数和(自身を含む): 28012348

約数和(自身を除く): 10004527

約数列:

[1, 3, 9, 13, 39, 117, 153913, 461739, 1385217, 2000869, 6002607, 18007821]

約数ペア:

[(1, 18007821), (3, 6002607), (9, 2000869), (13, 1385217), (39, 461739), (117, 153913)]