19054891

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1$

素因数の和:426

約数の個数: 16

約数和(自身を含む): 20845440

約数和(自身を除く): 1790549

約数列:

[1, 19, 43, 83, 281, 817, 1577, 3569, 5339, 12083, 23323, 67811, 229577, 443137, 1002889, 19054891]

約数ペア:

[(1, 19054891), (19, 1002889), (43, 443137), (83, 229577), (281, 67811), (817, 23323), (1577, 12083), (3569, 5339)]