18864249

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1\times {\mathrm{397}}^1$

素因数の和:784

約数の個数: 16

約数和(自身を含む): 25828608

約数和(自身を除く): 6964359

約数列:

[1, 3, 47, 141, 337, 397, 1011, 1191, 15839, 18659, 47517, 55977, 133789, 401367, 6288083, 18864249]

約数ペア:

[(1, 18864249), (3, 6288083), (47, 401367), (141, 133789), (337, 55977), (397, 47517), (1011, 18659), (1191, 15839)]