19164187

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1213}}^1$

素因数の和:1318

約数の個数: 16

約数和(自身を含む): 22881472

約数和(自身を除く): 3717285

約数列:

[1, 7, 37, 61, 259, 427, 1213, 2257, 8491, 15799, 44881, 73993, 314167, 517951, 2737741, 19164187]

約数ペア:

[(1, 19164187), (7, 2737741), (37, 517951), (61, 314167), (259, 73993), (427, 44881), (1213, 15799), (2257, 8491)]