19520314

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{12497}}^1$

素因数の和:12581

約数の個数: 16

約数和(自身を含む): 32394816

約数和(自身を除く): 12874502

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 12497, 24994, 137467, 274934, 887287, 1774574, 9760157, 19520314]

約数ペア:

[(1, 19520314), (2, 9760157), (11, 1774574), (22, 887287), (71, 274934), (142, 137467), (781, 24994), (1562, 12497)]