19129120

素因数分解:

$2^5\times 5^1\times {\mathrm{119557}}^1$

素因数の和:119572

約数の個数: 24

約数和(自身を含む): 45192924

約数和(自身を除く): 26063804

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 119557, 239114, 478228, 597785, 956456, 1195570, 1912912, 2391140, 3825824, 4782280, 9564560, 19129120]

約数ペア:

[(1, 19129120), (2, 9564560), (4, 4782280), (5, 3825824), (8, 2391140), (10, 1912912), (16, 1195570), (20, 956456), (32, 597785), (40, 478228), (80, 239114), (160, 119557)]