20181382156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{388103503}}^1$

素因数の和:388103520

約数の個数: 12

約数和(自身を含む): 38034143392

約数和(自身を除く): 17852761236

約数列:

[1, 2, 4, 13, 26, 52, 388103503, 776207006, 1552414012, 5045345539, 10090691078, 20181382156]

約数ペア:

[(1, 20181382156), (2, 10090691078), (4, 5045345539), (13, 1552414012), (26, 776207006), (52, 388103503)]