19156627505

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{2161}}^1\times {\mathrm{24971}}^1$

素因数の和:27208

約数の個数: 16

約数和(自身を含む): 23323448448

約数和(自身を除く): 4166820943

約数列:

[1, 5, 71, 355, 2161, 10805, 24971, 124855, 153431, 767155, 1772941, 8864705, 53962331, 269811655, 3831325501, 19156627505]

約数ペア:

[(1, 19156627505), (5, 3831325501), (71, 269811655), (355, 53962331), (2161, 8864705), (10805, 1772941), (24971, 767155), (124855, 153431)]