19081381

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{271}}^1$

素因数の和:492

約数の個数: 16

約数和(自身を含む): 21581568

約数和(自身を除く): 2500187

約数列:

[1, 11, 37, 173, 271, 407, 1903, 2981, 6401, 10027, 46883, 70411, 110297, 515713, 1734671, 19081381]

約数ペア:

[(1, 19081381), (11, 1734671), (37, 515713), (173, 110297), (271, 70411), (407, 46883), (1903, 10027), (2981, 6401)]