1990147324

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{33529}}^1$

素因数の和:33634

約数の個数: 48

約数和(自身を含む): 4055788800

約数和(自身を除く): 2065641476

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 71, 76, 142, 209, 284, 418, 781, 836, 1349, 1562, 2698, 3124, 5396, 14839, 29678, 33529, 59356, 67058, 134116, 368819, 637051, 737638, 1274102, 1475276, 2380559, 2548204, 4761118, 7007561, 9522236, 14015122, 26186149, 28030244, 45230621, 52372298, 90461242, 104744596, 180922484, 497536831, 995073662, 1990147324]

約数ペア:

[(1, 1990147324), (2, 995073662), (4, 497536831), (11, 180922484), (19, 104744596), (22, 90461242), (38, 52372298), (44, 45230621), (71, 28030244), (76, 26186149), (142, 14015122), (209, 9522236), (284, 7007561), (418, 4761118), (781, 2548204), (836, 2380559), (1349, 1475276), (1562, 1274102), (2698, 737638), (3124, 637051), (5396, 368819), (14839, 134116), (29678, 67058), (33529, 59356)]