19722293

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:392

約数の個数: 16

約数和(自身を含む): 21504000

約数和(自身を除く): 1781707

約数列:

[1, 23, 31, 139, 199, 713, 3197, 4309, 4577, 6169, 27661, 99107, 141887, 636203, 857491, 19722293]

約数ペア:

[(1, 19722293), (23, 857491), (31, 636203), (139, 141887), (199, 99107), (713, 27661), (3197, 6169), (4309, 4577)]