19894343

素因数分解:

$7^3\times {\mathrm{31}}^1\times {\mathrm{1871}}^1$

素因数の和:1923

約数の個数: 16

約数和(自身を含む): 23961600

約数和(自身を除く): 4067257

約数列:

[1, 7, 31, 49, 217, 343, 1519, 1871, 10633, 13097, 58001, 91679, 406007, 641753, 2842049, 19894343]

約数ペア:

[(1, 19894343), (7, 2842049), (31, 641753), (49, 406007), (217, 91679), (343, 58001), (1519, 13097), (1871, 10633)]