2019903195

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7921189}}^1$

素因数の和:7921214

約数の個数: 16

約数和(自身を含む): 3421954080

約数和(自身を除く): 1402050885

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 7921189, 23763567, 39605945, 118817835, 134660213, 403980639, 673301065, 2019903195]

約数ペア:

[(1, 2019903195), (3, 673301065), (5, 403980639), (15, 134660213), (17, 118817835), (51, 39605945), (85, 23763567), (255, 7921189)]