19680773785

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{307}}^1\times {\mathrm{1759}}^1$

素因数の和:2305

約数の個数: 32

約数和(自身を含む): 24471659520

約数和(自身を除く): 4790885735

約数列:

[1, 5, 37, 185, 197, 307, 985, 1535, 1759, 7289, 8795, 11359, 36445, 56795, 60479, 65083, 302395, 325415, 346523, 540013, 1732615, 2237723, 2700065, 11188615, 12821351, 19980481, 64106755, 99902405, 106382561, 531912805, 3936154757, 19680773785]

約数ペア:

[(1, 19680773785), (5, 3936154757), (37, 531912805), (185, 106382561), (197, 99902405), (307, 64106755), (985, 19980481), (1535, 12821351), (1759, 11188615), (7289, 2700065), (8795, 2237723), (11359, 1732615), (36445, 540013), (56795, 346523), (60479, 325415), (65083, 302395)]