18648851

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{283}}^1$

素因数の和:470

約数の個数: 16

約数和(自身を含む): 20850144

約数和(自身を除く): 2201293

約数列:

[1, 13, 37, 137, 283, 481, 1781, 3679, 5069, 10471, 38771, 65897, 136123, 504023, 1434527, 18648851]

約数ペア:

[(1, 18648851), (13, 1434527), (37, 504023), (137, 136123), (283, 65897), (481, 38771), (1781, 10471), (3679, 5069)]