19729773

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10799}}^1$

素因数の和:10841

約数の個数: 24

約数和(自身を含む): 33696000

約数和(自身を除く): 13966227

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 10799, 32397, 75593, 97191, 226779, 313171, 680337, 939513, 2192197, 2818539, 6576591, 19729773]

約数ペア:

[(1, 19729773), (3, 6576591), (7, 2818539), (9, 2192197), (21, 939513), (29, 680337), (63, 313171), (87, 226779), (203, 97191), (261, 75593), (609, 32397), (1827, 10799)]