18972046

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{449}}^1\times {\mathrm{571}}^1$

素因数の和:1059

約数の個数: 16

約数和(自身を含む): 29343600

約数和(自身を除く): 10371554

約数列:

[1, 2, 37, 74, 449, 571, 898, 1142, 16613, 21127, 33226, 42254, 256379, 512758, 9486023, 18972046]

約数ペア:

[(1, 18972046), (2, 9486023), (37, 512758), (74, 256379), (449, 42254), (571, 33226), (898, 21127), (1142, 16613)]