189905900

素因数分解:

$2^2\times 5^2\times {\mathrm{1899059}}^1$

素因数の和:1899073

約数の個数: 18

約数和(自身を含む): 412096020

約数和(自身を除く): 222190120

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1899059, 3798118, 7596236, 9495295, 18990590, 37981180, 47476475, 94952950, 189905900]

約数ペア:

[(1, 189905900), (2, 94952950), (4, 47476475), (5, 37981180), (10, 18990590), (20, 9495295), (25, 7596236), (50, 3798118), (100, 1899059)]