19941818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{16319}}^1$

素因数の和:16381

約数の個数: 16

約数和(自身を含む): 32901120

約数和(自身を除く): 12959302

約数列:

[1, 2, 13, 26, 47, 94, 611, 1222, 16319, 32638, 212147, 424294, 766993, 1533986, 9970909, 19941818]

約数ペア:

[(1, 19941818), (2, 9970909), (13, 1533986), (26, 766993), (47, 424294), (94, 212147), (611, 32638), (1222, 16319)]