19888263

素因数分解:

$3^2\times {\mathrm{317}}^1\times {\mathrm{6971}}^1$

素因数の和:7294

約数の個数: 12

約数和(自身を含む): 28822248

約数和(自身を除く): 8933985

約数列:

[1, 3, 9, 317, 951, 2853, 6971, 20913, 62739, 2209807, 6629421, 19888263]

約数ペア:

[(1, 19888263), (3, 6629421), (9, 2209807), (317, 62739), (951, 20913), (2853, 6971)]