19726767

素因数分解:

$3^3\times {\mathrm{137}}^1\times {\mathrm{5333}}^1$

素因数の和:5479

約数の個数: 16

約数和(自身を含む): 29443680

約数和(自身を除く): 9716913

約数列:

[1, 3, 9, 27, 137, 411, 1233, 3699, 5333, 15999, 47997, 143991, 730621, 2191863, 6575589, 19726767]

約数ペア:

[(1, 19726767), (3, 6575589), (9, 2191863), (27, 730621), (137, 143991), (411, 47997), (1233, 15999), (3699, 5333)]