18708274

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37871}}^1$

素因数の和:37905

約数の個数: 16

約数和(自身を含む): 31812480

約数和(自身を除く): 13104206

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 37871, 75742, 492323, 719549, 984646, 1439098, 9354137, 18708274]

約数ペア:

[(1, 18708274), (2, 9354137), (13, 1439098), (19, 984646), (26, 719549), (38, 492323), (247, 75742), (494, 37871)]