19984983874

素因数分解:

$2^1\times {\mathrm{173}}^1\times {\mathrm{919}}^1\times {\mathrm{62851}}^1$

素因数の和:63945

約数の個数: 16

約数和(自身を含む): 30184044480

約数和(自身を除く): 10199060606

約数列:

[1, 2, 173, 346, 919, 1838, 62851, 125702, 158987, 317974, 10873223, 21746446, 57760069, 115520138, 9992491937, 19984983874]

約数ペア:

[(1, 19984983874), (2, 9992491937), (173, 115520138), (346, 57760069), (919, 21746446), (1838, 10873223), (62851, 317974), (125702, 158987)]