19723356

素因数分解:

$2^2\times 3^2\times {\mathrm{547871}}^1$

素因数の和:547881

約数の個数: 18

約数和(自身を含む): 49856352

約数和(自身を除く): 30132996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 547871, 1095742, 1643613, 2191484, 3287226, 4930839, 6574452, 9861678, 19723356]

約数ペア:

[(1, 19723356), (2, 9861678), (3, 6574452), (4, 4930839), (6, 3287226), (9, 2191484), (12, 1643613), (18, 1095742), (36, 547871)]