18752905

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1811}}^1$

素因数の和:1944

約数の個数: 16

約数和(自身を含む): 23918400

約数和(自身を除く): 5165495

約数列:

[1, 5, 19, 95, 109, 545, 1811, 2071, 9055, 10355, 34409, 172045, 197399, 986995, 3750581, 18752905]

約数ペア:

[(1, 18752905), (5, 3750581), (19, 986995), (95, 197399), (109, 172045), (545, 34409), (1811, 10355), (2071, 9055)]