19822563

素因数分解:

$3^4\times {\mathrm{101}}^1\times {\mathrm{2423}}^1$

素因数の和:2536

約数の個数: 20

約数和(自身を含む): 29917008

約数和(自身を除く): 10094445

約数列:

[1, 3, 9, 27, 81, 101, 303, 909, 2423, 2727, 7269, 8181, 21807, 65421, 196263, 244723, 734169, 2202507, 6607521, 19822563]

約数ペア:

[(1, 19822563), (3, 6607521), (9, 2202507), (27, 734169), (81, 244723), (101, 196263), (303, 65421), (909, 21807), (2423, 8181), (2727, 7269)]