18834172

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{15643}}^1$

素因数の和:15697

約数の個数: 24

約数和(自身を含む): 38546816

約数和(自身を除く): 19712644

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 15643, 31286, 62572, 109501, 219002, 438004, 672649, 1345298, 2690596, 4708543, 9417086, 18834172]

約数ペア:

[(1, 18834172), (2, 9417086), (4, 4708543), (7, 2690596), (14, 1345298), (28, 672649), (43, 438004), (86, 219002), (172, 109501), (301, 62572), (602, 31286), (1204, 15643)]