19028317

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{821}}^1$

素因数の和:889

約数の個数: 24

約数和(自身を含む): 24738912

約数和(自身を除く): 5710595

約数列:

[1, 7, 11, 43, 49, 77, 301, 473, 539, 821, 2107, 3311, 5747, 9031, 23177, 35303, 40229, 63217, 247121, 388333, 442519, 1729847, 2718331, 19028317]

約数ペア:

[(1, 19028317), (7, 2718331), (11, 1729847), (43, 442519), (49, 388333), (77, 247121), (301, 63217), (473, 40229), (539, 35303), (821, 23177), (2107, 9031), (3311, 5747)]