19504810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2543}}^1$

素因数の和:2622

約数の個数: 32

約数和(自身を含む): 38465280

約数和(自身を除く): 18960470

約数列:

[1, 2, 5, 10, 13, 26, 59, 65, 118, 130, 295, 590, 767, 1534, 2543, 3835, 5086, 7670, 12715, 25430, 33059, 66118, 150037, 165295, 300074, 330590, 750185, 1500370, 1950481, 3900962, 9752405, 19504810]

約数ペア:

[(1, 19504810), (2, 9752405), (5, 3900962), (10, 1950481), (13, 1500370), (26, 750185), (59, 330590), (65, 300074), (118, 165295), (130, 150037), (295, 66118), (590, 33059), (767, 25430), (1534, 12715), (2543, 7670), (3835, 5086)]