18726278

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{7681}}^1$

素因数の和:7759

約数の個数: 16

約数和(自身を含む): 29867616

約数和(自身を除く): 11141338

約数列:

[1, 2, 23, 46, 53, 106, 1219, 2438, 7681, 15362, 176663, 353326, 407093, 814186, 9363139, 18726278]

約数ペア:

[(1, 18726278), (2, 9363139), (23, 814186), (46, 407093), (53, 353326), (106, 176663), (1219, 15362), (2438, 7681)]