19862479

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{1307}}^1$

素因数の和:1494

約数の個数: 16

約数和(自身を含む): 24611328

約数和(自身を除く): 4748849

約数列:

[1, 7, 13, 91, 167, 1169, 1307, 2171, 9149, 15197, 16991, 118937, 218269, 1527883, 2837497, 19862479]

約数ペア:

[(1, 19862479), (7, 2837497), (13, 1527883), (91, 218269), (167, 118937), (1169, 16991), (1307, 15197), (2171, 9149)]