19865085

素因数分解:

$3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{12377}}^1$

素因数の和:12492

約数の個数: 16

約数和(自身を含む): 32083776

約数和(自身を除く): 12218691

約数列:

[1, 3, 5, 15, 107, 321, 535, 1605, 12377, 37131, 61885, 185655, 1324339, 3973017, 6621695, 19865085]

約数ペア:

[(1, 19865085), (3, 6621695), (5, 3973017), (15, 1324339), (107, 185655), (321, 61885), (535, 37131), (1605, 12377)]