19038260

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1709}}^1$

素因数の和:2275

約数の個数: 24

約数和(自身を含む): 40075560

約数和(自身を除く): 21037300

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 1709, 2228, 2785, 3418, 5570, 6836, 8545, 11140, 17090, 34180, 951913, 1903826, 3807652, 4759565, 9519130, 19038260]

約数ペア:

[(1, 19038260), (2, 9519130), (4, 4759565), (5, 3807652), (10, 1903826), (20, 951913), (557, 34180), (1114, 17090), (1709, 11140), (2228, 8545), (2785, 6836), (3418, 5570)]