19009017

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{701}}^1$

素因数の和:861

約数の個数: 24

約数和(自身を含む): 28911168

約数和(自身を除く): 9902151

約数列:

[1, 3, 9, 23, 69, 131, 207, 393, 701, 1179, 2103, 3013, 6309, 9039, 16123, 27117, 48369, 91831, 145107, 275493, 826479, 2112113, 6336339, 19009017]

約数ペア:

[(1, 19009017), (3, 6336339), (9, 2112113), (23, 826479), (69, 275493), (131, 145107), (207, 91831), (393, 48369), (701, 27117), (1179, 16123), (2103, 9039), (3013, 6309)]