19928744

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{226463}}^1$

素因数の和:226480

約数の個数: 16

約数和(自身を含む): 40763520

約数和(自身を除く): 20834776

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 226463, 452926, 905852, 1811704, 2491093, 4982186, 9964372, 19928744]

約数ペア:

[(1, 19928744), (2, 9964372), (4, 4982186), (8, 2491093), (11, 1811704), (22, 905852), (44, 452926), (88, 226463)]