19431560

素因数分解:

$2^3\times 5^1\times {\mathrm{599}}^1\times {\mathrm{811}}^1$

素因数の和:1421

約数の個数: 32

約数和(自身を含む): 43848000

約数和(自身を除く): 24416440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 599, 811, 1198, 1622, 2396, 2995, 3244, 4055, 4792, 5990, 6488, 8110, 11980, 16220, 23960, 32440, 485789, 971578, 1943156, 2428945, 3886312, 4857890, 9715780, 19431560]

約数ペア:

[(1, 19431560), (2, 9715780), (4, 4857890), (5, 3886312), (8, 2428945), (10, 1943156), (20, 971578), (40, 485789), (599, 32440), (811, 23960), (1198, 16220), (1622, 11980), (2396, 8110), (2995, 6488), (3244, 5990), (4055, 4792)]