19031818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{1747}}^1$

素因数の和:2181

約数の個数: 16

約数和(自身を含む): 30834720

約数和(自身を除く): 11802902

約数列:

[1, 2, 13, 26, 419, 838, 1747, 3494, 5447, 10894, 22711, 45422, 731993, 1463986, 9515909, 19031818]

約数ペア:

[(1, 19031818), (2, 9515909), (13, 1463986), (26, 731993), (419, 45422), (838, 22711), (1747, 10894), (3494, 5447)]