2018978838

素因数分解:

$2^1\times 3^3\times {\mathrm{997}}^1\times {\mathrm{37501}}^1$

素因数の和:38509

約数の個数: 32

約数和(自身を含む): 4491239520

約数和(自身を除く): 2472260682

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 997, 1994, 2991, 5982, 8973, 17946, 26919, 37501, 53838, 75002, 112503, 225006, 337509, 675018, 1012527, 2025054, 37388497, 74776994, 112165491, 224330982, 336496473, 672992946, 1009489419, 2018978838]

約数ペア:

[(1, 2018978838), (2, 1009489419), (3, 672992946), (6, 336496473), (9, 224330982), (18, 112165491), (27, 74776994), (54, 37388497), (997, 2025054), (1994, 1012527), (2991, 675018), (5982, 337509), (8973, 225006), (17946, 112503), (26919, 75002), (37501, 53838)]