19888238

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{9199}}^1$

素因数の和:9271

約数の個数: 16

約数和(自身を含む): 31795200

約数和(自身を除く): 11906962

約数列:

[1, 2, 23, 46, 47, 94, 1081, 2162, 9199, 18398, 211577, 423154, 432353, 864706, 9944119, 19888238]

約数ペア:

[(1, 19888238), (2, 9944119), (23, 864706), (46, 432353), (47, 423154), (94, 211577), (1081, 18398), (2162, 9199)]