19854128

素因数分解:

$2^4\times 7^1\times {\mathrm{177269}}^1$

素因数の和:177284

約数の個数: 20

約数和(自身を含む): 43962960

約数和(自身を除く): 24108832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 177269, 354538, 709076, 1240883, 1418152, 2481766, 2836304, 4963532, 9927064, 19854128]

約数ペア:

[(1, 19854128), (2, 9927064), (4, 4963532), (7, 2836304), (8, 2481766), (14, 1418152), (16, 1240883), (28, 709076), (56, 354538), (112, 177269)]