18994004

素因数分解:

$2^2\times {\mathrm{601}}^1\times {\mathrm{7901}}^1$

素因数の和:8506

約数の個数: 12

約数和(自身を含む): 33299028

約数和(自身を除く): 14305024

約数列:

[1, 2, 4, 601, 1202, 2404, 7901, 15802, 31604, 4748501, 9497002, 18994004]

約数ペア:

[(1, 18994004), (2, 9497002), (4, 4748501), (601, 31604), (1202, 15802), (2404, 7901)]