18185768

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{20117}}^1$

素因数の和:20236

約数の個数: 16

約数和(自身を含む): 34401780

約数和(自身を除く): 16216012

約数列:

[1, 2, 4, 8, 113, 226, 452, 904, 20117, 40234, 80468, 160936, 2273221, 4546442, 9092884, 18185768]

約数ペア:

[(1, 18185768), (2, 9092884), (4, 4546442), (8, 2273221), (113, 160936), (226, 80468), (452, 40234), (904, 20117)]