18138968

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{73141}}^1$

素因数の和:73178

約数の個数: 16

約数和(自身を含む): 35108160

約数和(自身を除く): 16969192

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 73141, 146282, 292564, 585128, 2267371, 4534742, 9069484, 18138968]

約数ペア:

[(1, 18138968), (2, 9069484), (4, 4534742), (8, 2267371), (31, 585128), (62, 292564), (124, 146282), (248, 73141)]