18719527681

素因数分解:

${\mathrm{19}}^1\times {\mathrm{47}}^2\times {\mathrm{113}}^1\times {\mathrm{3947}}^1$

素因数の和:4173

約数の個数: 24

約数和(自身を含む): 20316250080

約数和(自身を除く): 1596722399

約数列:

[1, 19, 47, 113, 893, 2147, 2209, 3947, 5311, 41971, 74993, 100909, 185509, 249617, 446011, 3524671, 4742723, 8474209, 8718923, 20962517, 165659537, 398287823, 985238299, 18719527681]

約数ペア:

[(1, 18719527681), (19, 985238299), (47, 398287823), (113, 165659537), (893, 20962517), (2147, 8718923), (2209, 8474209), (3947, 4742723), (5311, 3524671), (41971, 446011), (74993, 249617), (100909, 185509)]