18985100

素因数分解:

$2^2\times 5^2\times {\mathrm{189851}}^1$

素因数の和:189865

約数の個数: 18

約数和(自身を含む): 41197884

約数和(自身を除く): 22212784

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 189851, 379702, 759404, 949255, 1898510, 3797020, 4746275, 9492550, 18985100]

約数ペア:

[(1, 18985100), (2, 9492550), (4, 4746275), (5, 3797020), (10, 1898510), (20, 949255), (25, 759404), (50, 379702), (100, 189851)]