17898860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127849}}^1$

素因数の和:127865

約数の個数: 24

約数和(自身を含む): 42957600

約数和(自身を除く): 25058740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 127849, 255698, 511396, 639245, 894943, 1278490, 1789886, 2556980, 3579772, 4474715, 8949430, 17898860]

約数ペア:

[(1, 17898860), (2, 8949430), (4, 4474715), (5, 3579772), (7, 2556980), (10, 1789886), (14, 1278490), (20, 894943), (28, 639245), (35, 511396), (70, 255698), (140, 127849)]