19056951

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{1579}}^1$

素因数の和:1740

約数の個数: 20

約数和(自身を含む): 28677000

約数和(自身を除く): 9620049

約数列:

[1, 3, 9, 27, 81, 149, 447, 1341, 1579, 4023, 4737, 12069, 14211, 42633, 127899, 235271, 705813, 2117439, 6352317, 19056951]

約数ペア:

[(1, 19056951), (3, 6352317), (9, 2117439), (27, 705813), (81, 235271), (149, 127899), (447, 42633), (1341, 14211), (1579, 12069), (4023, 4737)]