18007269

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{45131}}^1$

素因数の和:45160

約数の個数: 16

約数和(自身を含む): 28884480

約数和(自身を除く): 10877211

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 45131, 135393, 315917, 857489, 947751, 2572467, 6002423, 18007269]

約数ペア:

[(1, 18007269), (3, 6002423), (7, 2572467), (19, 947751), (21, 857489), (57, 315917), (133, 135393), (399, 45131)]