18448017

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{18691}}^1$

素因数の和:18748

約数の個数: 16

約数和(自身を含む): 28710912

約数和(自身を除く): 10262895

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 18691, 56073, 130837, 392511, 878477, 2635431, 6149339, 18448017]

約数ペア:

[(1, 18448017), (3, 6149339), (7, 2635431), (21, 878477), (47, 392511), (141, 130837), (329, 56073), (987, 18691)]