18996100

素因数分解:

$2^2\times 5^2\times {\mathrm{189961}}^1$

素因数の和:189975

約数の個数: 18

約数和(自身を含む): 41221754

約数和(自身を除く): 22225654

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 189961, 379922, 759844, 949805, 1899610, 3799220, 4749025, 9498050, 18996100]

約数ペア:

[(1, 18996100), (2, 9498050), (4, 4749025), (5, 3799220), (10, 1899610), (20, 949805), (25, 759844), (50, 379922), (100, 189961)]