19566239

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1171}}^1$

素因数の和:1227

約数の個数: 24

約数和(自身を含む): 25652736

約数和(自身を除く): 6086497

約数列:

[1, 7, 11, 31, 49, 77, 217, 341, 539, 1171, 1519, 2387, 8197, 12881, 16709, 36301, 57379, 90167, 254107, 399311, 631169, 1778749, 2795177, 19566239]

約数ペア:

[(1, 19566239), (7, 2795177), (11, 1778749), (31, 631169), (49, 399311), (77, 254107), (217, 90167), (341, 57379), (539, 36301), (1171, 16709), (1519, 12881), (2387, 8197)]