18752420

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1879}}^1$

素因数の和:2387

約数の個数: 24

約数和(自身を含む): 39480000

約数和(自身を除く): 20727580

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1879, 1996, 2495, 3758, 4990, 7516, 9395, 9980, 18790, 37580, 937621, 1875242, 3750484, 4688105, 9376210, 18752420]

約数ペア:

[(1, 18752420), (2, 9376210), (4, 4688105), (5, 3750484), (10, 1875242), (20, 937621), (499, 37580), (998, 18790), (1879, 9980), (1996, 9395), (2495, 7516), (3758, 4990)]