19985690832

素因数分解:

$2^4\times 3^1\times {\mathrm{359}}^1\times {\mathrm{953}}^1\times {\mathrm{1217}}^1$

素因数の和:2540

約数の個数: 80

約数和(自身を含む): 51870430080

約数和(自身を除く): 31884739248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 359, 718, 953, 1077, 1217, 1436, 1906, 2154, 2434, 2859, 2872, 3651, 3812, 4308, 4868, 5718, 5744, 7302, 7624, 8616, 9736, 11436, 14604, 15248, 17232, 19472, 22872, 29208, 45744, 58416, 342127, 436903, 684254, 873806, 1026381, 1159801, 1310709, 1368508, 1747612, 2052762, 2319602, 2621418, 2737016, 3479403, 3495224, 4105524, 4639204, 5242836, 5474032, 6958806, 6990448, 8211048, 9278408, 10485672, 13917612, 16422096, 18556816, 20971344, 27835224, 55670448, 416368559, 832737118, 1249105677, 1665474236, 2498211354, 3330948472, 4996422708, 6661896944, 9992845416, 19985690832]

約数ペア:

[(1, 19985690832), (2, 9992845416), (3, 6661896944), (4, 4996422708), (6, 3330948472), (8, 2498211354), (12, 1665474236), (16, 1249105677), (24, 832737118), (48, 416368559), (359, 55670448), (718, 27835224), (953, 20971344), (1077, 18556816), (1217, 16422096), (1436, 13917612), (1906, 10485672), (2154, 9278408), (2434, 8211048), (2859, 6990448), (2872, 6958806), (3651, 5474032), (3812, 5242836), (4308, 4639204), (4868, 4105524), (5718, 3495224), (5744, 3479403), (7302, 2737016), (7624, 2621418), (8616, 2319602), (9736, 2052762), (11436, 1747612), (14604, 1368508), (15248, 1310709), (17232, 1159801), (19472, 1026381), (22872, 873806), (29208, 684254), (45744, 436903), (58416, 342127)]