19954857

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{3259}}^1$

素因数の和:3432

約数の個数: 16

約数和(自身を含む): 28844480

約数和(自身を除く): 8889623

約数列:

[1, 3, 13, 39, 157, 471, 2041, 3259, 6123, 9777, 42367, 127101, 511663, 1534989, 6651619, 19954857]

約数ペア:

[(1, 19954857), (3, 6651619), (13, 1534989), (39, 511663), (157, 127101), (471, 42367), (2041, 9777), (3259, 6123)]