18420382

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{1777}}^1$

素因数の和:1923

約数の個数: 16

約数和(自身を含む): 28419552

約数和(自身を除く): 9999170

約数列:

[1, 2, 71, 73, 142, 146, 1777, 3554, 5183, 10366, 126167, 129721, 252334, 259442, 9210191, 18420382]

約数ペア:

[(1, 18420382), (2, 9210191), (71, 259442), (73, 252334), (142, 129721), (146, 126167), (1777, 10366), (3554, 5183)]