19864035

素因数分解:

$3^5\times 5^1\times {\mathrm{16349}}^1$

素因数の和:16369

約数の個数: 24

約数和(自身を含む): 35708400

約数和(自身を除く): 15844365

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 16349, 49047, 81745, 147141, 245235, 441423, 735705, 1324269, 2207115, 3972807, 6621345, 19864035]

約数ペア:

[(1, 19864035), (3, 6621345), (5, 3972807), (9, 2207115), (15, 1324269), (27, 735705), (45, 441423), (81, 245235), (135, 147141), (243, 81745), (405, 49047), (1215, 16349)]