19549747

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3917}}^1$

素因数の和:3978

約数の個数: 16

約数和(自身を含む): 24072192

約数和(自身を除く): 4522445

約数列:

[1, 7, 23, 31, 161, 217, 713, 3917, 4991, 27419, 90091, 121427, 630637, 849989, 2792821, 19549747]

約数ペア:

[(1, 19549747), (7, 2792821), (23, 849989), (31, 630637), (161, 121427), (217, 90091), (713, 27419), (3917, 4991)]