2019395959

素因数分解:

$7^1\times {\mathrm{307}}^1\times {\mathrm{617}}^1\times {\mathrm{1523}}^1$

素因数の和:2454

約数の個数: 16

約数和(自身を含む): 2320674048

約数和(自身を除く): 301278089

約数列:

[1, 7, 307, 617, 1523, 2149, 4319, 10661, 189419, 467561, 939691, 1325933, 3272927, 6577837, 288485137, 2019395959]

約数ペア:

[(1, 2019395959), (7, 288485137), (307, 6577837), (617, 3272927), (1523, 1325933), (2149, 939691), (4319, 467561), (10661, 189419)]