19634481

素因数分解:

$3^4\times {\mathrm{223}}^1\times {\mathrm{1087}}^1$

素因数の和:1322

約数の個数: 20

約数和(自身を含む): 29489152

約数和(自身を除く): 9854671

約数列:

[1, 3, 9, 27, 81, 223, 669, 1087, 2007, 3261, 6021, 9783, 18063, 29349, 88047, 242401, 727203, 2181609, 6544827, 19634481]

約数ペア:

[(1, 19634481), (3, 6544827), (9, 2181609), (27, 727203), (81, 242401), (223, 88047), (669, 29349), (1087, 18063), (2007, 9783), (3261, 6021)]