18420674

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1\times {\mathrm{449}}^1$

素因数の和:805

約数の個数: 16

約数和(自身を含む): 28171800

約数和(自身を除く): 9751126

約数列:

[1, 2, 73, 146, 281, 449, 562, 898, 20513, 32777, 41026, 65554, 126169, 252338, 9210337, 18420674]

約数ペア:

[(1, 18420674), (2, 9210337), (73, 252338), (146, 126169), (281, 65554), (449, 41026), (562, 32777), (898, 20513)]