19892031

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{2141}}^1$

素因数の和:2326

約数の個数: 16

約数和(自身を含む): 28103040

約数和(自身を除く): 8211009

約数列:

[1, 3, 19, 57, 163, 489, 2141, 3097, 6423, 9291, 40679, 122037, 348983, 1046949, 6630677, 19892031]

約数ペア:

[(1, 19892031), (3, 6630677), (19, 1046949), (57, 348983), (163, 122037), (489, 40679), (2141, 9291), (3097, 6423)]