19689633

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1303}}^1$

素因数の和:1405

約数の個数: 24

約数和(自身を含む): 30106752

約数和(自身を除く): 10417119

約数列:

[1, 3, 9, 23, 69, 73, 207, 219, 657, 1303, 1679, 3909, 5037, 11727, 15111, 29969, 89907, 95119, 269721, 285357, 856071, 2187737, 6563211, 19689633]

約数ペア:

[(1, 19689633), (3, 6563211), (9, 2187737), (23, 856071), (69, 285357), (73, 269721), (207, 95119), (219, 89907), (657, 29969), (1303, 15111), (1679, 11727), (3909, 5037)]