2019489969

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{319489}}^1$

素因数の和:319549

約数の個数: 24

約数和(自身を含む): 3205123680

約数和(自身を除く): 1185633711

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 6321, 319489, 958467, 2236423, 6709269, 13738027, 15654961, 41214081, 46964883, 96166189, 288498567, 673163323, 2019489969]

約数ペア:

[(1, 2019489969), (3, 673163323), (7, 288498567), (21, 96166189), (43, 46964883), (49, 41214081), (129, 15654961), (147, 13738027), (301, 6709269), (903, 2236423), (2107, 958467), (6321, 319489)]