18780836

素因数分解:

$2^2\times {\mathrm{1279}}^1\times {\mathrm{3671}}^1$

素因数の和:4954

約数の個数: 12

約数和(自身を含む): 32901120

約数和(自身を除く): 14120284

約数列:

[1, 2, 4, 1279, 2558, 3671, 5116, 7342, 14684, 4695209, 9390418, 18780836]

約数ペア:

[(1, 18780836), (2, 9390418), (4, 4695209), (1279, 14684), (2558, 7342), (3671, 5116)]