19636263

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{1627}}^1$

素因数の和:1788

約数の個数: 20

約数和(自身を含む): 29548200

約数和(自身を除く): 9911937

約数列:

[1, 3, 9, 27, 81, 149, 447, 1341, 1627, 4023, 4881, 12069, 14643, 43929, 131787, 242423, 727269, 2181807, 6545421, 19636263]

約数ペア:

[(1, 19636263), (3, 6545421), (9, 2181807), (27, 727269), (81, 242423), (149, 131787), (447, 43929), (1341, 14643), (1627, 12069), (4023, 4881)]