19828738

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1\times {\mathrm{449}}^1$

素因数の和:833

約数の個数: 16

約数和(自身を含む): 30326400

約数和(自身を除く): 10497662

約数列:

[1, 2, 71, 142, 311, 449, 622, 898, 22081, 31879, 44162, 63758, 139639, 279278, 9914369, 19828738]

約数ペア:

[(1, 19828738), (2, 9914369), (71, 279278), (142, 139639), (311, 63758), (449, 44162), (622, 31879), (898, 22081)]