20138138

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{14323}}^1$

素因数の和:14381

約数の個数: 16

約数和(自身を含む): 32658720

約数和(自身を除く): 12520582

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 14323, 28646, 272137, 529951, 544274, 1059902, 10069069, 20138138]

約数ペア:

[(1, 20138138), (2, 10069069), (19, 1059902), (37, 544274), (38, 529951), (74, 272137), (703, 28646), (1406, 14323)]