18887794

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{691}}^1$

素因数の和:945

約数の個数: 16

約数和(自身を含む): 28897920

約数和(自身を除く): 10010126

約数列:

[1, 2, 79, 158, 173, 346, 691, 1382, 13667, 27334, 54589, 109178, 119543, 239086, 9443897, 18887794]

約数ペア:

[(1, 18887794), (2, 9443897), (79, 239086), (158, 119543), (173, 109178), (346, 54589), (691, 27334), (1382, 13667)]