19946566

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{2179}}^1$

素因数の和:2403

約数の個数: 16

約数和(自身を含む): 31392000

約数和(自身を除く): 11445434

約数列:

[1, 2, 23, 46, 199, 398, 2179, 4358, 4577, 9154, 50117, 100234, 433621, 867242, 9973283, 19946566]

約数ペア:

[(1, 19946566), (2, 9973283), (23, 867242), (46, 433621), (199, 100234), (398, 50117), (2179, 9154), (4358, 4577)]