18988084

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{115781}}^1$

素因数の和:115826

約数の個数: 12

約数和(自身を含む): 34039908

約数和(自身を除く): 15051824

約数列:

[1, 2, 4, 41, 82, 164, 115781, 231562, 463124, 4747021, 9494042, 18988084]

約数ペア:

[(1, 18988084), (2, 9494042), (4, 4747021), (41, 463124), (82, 231562), (164, 115781)]