2018201997

素因数分解:

$3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{290347}}^1$

素因数の和:290688

約数の個数: 16

約数和(自身を含む): 3084657152

約数和(自身を除く): 1066455155

約数列:

[1, 3, 7, 21, 331, 993, 2317, 6951, 290347, 871041, 2032429, 6097287, 96104857, 288314571, 672733999, 2018201997]

約数ペア:

[(1, 2018201997), (3, 672733999), (7, 288314571), (21, 96104857), (331, 6097287), (993, 2032429), (2317, 871041), (6951, 290347)]