19933405

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1\times {\mathrm{313}}^1$

素因数の和:636

約数の個数: 16

約数和(自身を含む): 24597504

約数和(自身を除く): 4664099

約数列:

[1, 5, 47, 235, 271, 313, 1355, 1565, 12737, 14711, 63685, 73555, 84823, 424115, 3986681, 19933405]

約数ペア:

[(1, 19933405), (5, 3986681), (47, 424115), (235, 84823), (271, 73555), (313, 63685), (1355, 14711), (1565, 12737)]