18833978

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{1129}}^1$

素因数の和:1589

約数の個数: 16

約数和(自身を含む): 29832000

約数和(自身を除く): 10998022

約数列:

[1, 2, 19, 38, 439, 878, 1129, 2258, 8341, 16682, 21451, 42902, 495631, 991262, 9416989, 18833978]

約数ペア:

[(1, 18833978), (2, 9416989), (19, 991262), (38, 495631), (439, 42902), (878, 21451), (1129, 16682), (2258, 8341)]