19974487

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{317}}^1$

素因数の和:498

約数の個数: 16

約数和(自身を含む): 22331232

約数和(自身を除く): 2356745

約数列:

[1, 13, 37, 131, 317, 481, 1703, 4121, 4847, 11729, 41527, 63011, 152477, 539851, 1536499, 19974487]

約数ペア:

[(1, 19974487), (13, 1536499), (37, 539851), (131, 152477), (317, 63011), (481, 41527), (1703, 11729), (4121, 4847)]