19227789

素因数分解:

$3^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1277}}^1$

素因数の和:1529

約数の個数: 24

約数和(自身を含む): 31898880

約数和(自身を除く): 12671091

約数列:

[1, 3, 7, 9, 21, 63, 239, 717, 1277, 1673, 2151, 3831, 5019, 8939, 11493, 15057, 26817, 80451, 305203, 915609, 2136421, 2746827, 6409263, 19227789]

約数ペア:

[(1, 19227789), (3, 6409263), (7, 2746827), (9, 2136421), (21, 915609), (63, 305203), (239, 80451), (717, 26817), (1277, 15057), (1673, 11493), (2151, 8939), (3831, 5019)]