18981046

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{13163}}^1$

素因数の和:13275

約数の個数: 16

約数和(自身を含む): 32857344

約数和(自身を除く): 13876298

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 13163, 26326, 92141, 184282, 1355789, 2711578, 9490523, 18981046]

約数ペア:

[(1, 18981046), (2, 9490523), (7, 2711578), (14, 1355789), (103, 184282), (206, 92141), (721, 26326), (1442, 13163)]