19847281

素因数分解:

${\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:468

約数の個数: 16

約数和(自身を含む): 21546000

約数和(自身を除く): 1698719

約数列:

[1, 29, 37, 53, 349, 1073, 1537, 1961, 10121, 12913, 18497, 56869, 374477, 536413, 684389, 19847281]

約数ペア:

[(1, 19847281), (29, 684389), (37, 536413), (53, 374477), (349, 56869), (1073, 18497), (1537, 12913), (1961, 10121)]