18042143

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{2287}}^1$

素因数の和:2331

約数の個数: 16

約数和(自身を含む): 21964800

約数和(自身を除く): 3922657

約数列:

[1, 7, 23, 49, 161, 343, 1127, 2287, 7889, 16009, 52601, 112063, 368207, 784441, 2577449, 18042143]

約数ペア:

[(1, 18042143), (7, 2577449), (23, 784441), (49, 368207), (161, 112063), (343, 52601), (1127, 16009), (2287, 7889)]