19502900

素因数分解:

$2^2\times 5^2\times {\mathrm{195029}}^1$

素因数の和:195043

約数の個数: 18

約数和(自身を含む): 42321510

約数和(自身を除く): 22818610

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 195029, 390058, 780116, 975145, 1950290, 3900580, 4875725, 9751450, 19502900]

約数ペア:

[(1, 19502900), (2, 9751450), (4, 4875725), (5, 3900580), (10, 1950290), (20, 975145), (25, 780116), (50, 390058), (100, 195029)]