19657912

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{653}}^1$

素因数の和:783

約数の個数: 32

約数和(自身を含む): 38141280

約数和(自身を除く): 18483368

約数列:

[1, 2, 4, 8, 53, 71, 106, 142, 212, 284, 424, 568, 653, 1306, 2612, 3763, 5224, 7526, 15052, 30104, 34609, 46363, 69218, 92726, 138436, 185452, 276872, 370904, 2457239, 4914478, 9828956, 19657912]

約数ペア:

[(1, 19657912), (2, 9828956), (4, 4914478), (8, 2457239), (53, 370904), (71, 276872), (106, 185452), (142, 138436), (212, 92726), (284, 69218), (424, 46363), (568, 34609), (653, 30104), (1306, 15052), (2612, 7526), (3763, 5224)]