19191271

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{773}}^1$

素因数の和:882

約数の個数: 16

約数和(自身を含む): 21882528

約数和(自身を除く): 2691257

約数列:

[1, 11, 37, 61, 407, 671, 773, 2257, 8503, 24827, 28601, 47153, 314611, 518683, 1744661, 19191271]

約数ペア:

[(1, 19191271), (11, 1744661), (37, 518683), (61, 314611), (407, 47153), (671, 28601), (773, 24827), (2257, 8503)]