19684377

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{3329}}^1$

素因数の和:3414

約数の個数: 20

約数和(自身を含む): 29816820

約数和(自身を除く): 10132443

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 3329, 5913, 9987, 29961, 89883, 243017, 269649, 729051, 2187153, 6561459, 19684377]

約数ペア:

[(1, 19684377), (3, 6561459), (9, 2187153), (27, 729051), (73, 269649), (81, 243017), (219, 89883), (657, 29961), (1971, 9987), (3329, 5913)]