18811406

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{495037}}^1$

素因数の和:495058

約数の個数: 8

約数和(自身を含む): 29702280

約数和(自身を除く): 10890874

約数列:

[1, 2, 19, 38, 495037, 990074, 9405703, 18811406]

約数ペア:

[(1, 18811406), (2, 9405703), (19, 990074), (38, 495037)]