19597480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{69991}}^1$

素因数の和:70009

約数の個数: 32

約数和(自身を含む): 50394240

約数和(自身を除く): 30796760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 69991, 139982, 279964, 349955, 489937, 559928, 699910, 979874, 1399820, 1959748, 2449685, 2799640, 3919496, 4899370, 9798740, 19597480]

約数ペア:

[(1, 19597480), (2, 9798740), (4, 4899370), (5, 3919496), (7, 2799640), (8, 2449685), (10, 1959748), (14, 1399820), (20, 979874), (28, 699910), (35, 559928), (40, 489937), (56, 349955), (70, 279964), (140, 139982), (280, 69991)]