2019912867

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{451579}}^1$

素因数の和:451663

約数の個数: 24

約数和(自身を含む): 3381431040

約数和(自身を除く): 1361518173

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 451579, 1354737, 3161053, 4064211, 9483159, 28449477, 32062109, 96186327, 224434763, 288558981, 673304289, 2019912867]

約数ペア:

[(1, 2019912867), (3, 673304289), (7, 288558981), (9, 224434763), (21, 96186327), (63, 32062109), (71, 28449477), (213, 9483159), (497, 4064211), (639, 3161053), (1491, 1354737), (4473, 451579)]