18427478

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^2\times {\mathrm{97}}^1$

素因数の和:236

約数の個数: 24

約数和(自身を含む): 29196552

約数和(自身を除く): 10769074

約数列:

[1, 2, 43, 47, 86, 94, 97, 194, 2021, 2209, 4042, 4171, 4418, 4559, 8342, 9118, 94987, 189974, 196037, 214273, 392074, 428546, 9213739, 18427478]

約数ペア:

[(1, 18427478), (2, 9213739), (43, 428546), (47, 392074), (86, 214273), (94, 196037), (97, 189974), (194, 94987), (2021, 9118), (2209, 8342), (4042, 4559), (4171, 4418)]