19006747641

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{743}}^1$

素因数の和:896

約数の個数: 144

約数和(自身を含む): 34930621440

約数和(自身を除く): 15923873799

約数列:

[1, 3, 7, 9, 19, 21, 43, 49, 57, 63, 71, 129, 133, 147, 171, 213, 301, 387, 399, 441, 497, 639, 743, 817, 903, 931, 1197, 1349, 1491, 2107, 2229, 2451, 2709, 2793, 3053, 3479, 4047, 4473, 5201, 5719, 6321, 6687, 7353, 8379, 9159, 9443, 10437, 12141, 14117, 15603, 17157, 18963, 21371, 27477, 28329, 31311, 31949, 36407, 40033, 42351, 46809, 51471, 52753, 58007, 64113, 66101, 84987, 95847, 98819, 109221, 120099, 127053, 149597, 158259, 174021, 192339, 198303, 223643, 287541, 296457, 327663, 360297, 369271, 406049, 448791, 474777, 522063, 594909, 607031, 670929, 691733, 889371, 1002307, 1107813, 1218147, 1346373, 1565501, 1821093, 2012787, 2075199, 2268379, 2584897, 2842343, 3006921, 3323439, 3654441, 4249217, 4696503, 5463279, 6225597, 6805137, 7016149, 7754691, 8527029, 9020763, 12747651, 14089509, 15878653, 20415411, 21048447, 23264073, 25581087, 29744519, 38242953, 43099201, 47635959, 49113043, 63145341, 89233557, 111150571, 129297603, 142907877, 147339129, 267700671, 301694407, 333451713, 387892809, 442017387, 905083221, 1000355139, 2111860849, 2715249663, 6335582547, 19006747641]

約数ペア:

[(1, 19006747641), (3, 6335582547), (7, 2715249663), (9, 2111860849), (19, 1000355139), (21, 905083221), (43, 442017387), (49, 387892809), (57, 333451713), (63, 301694407), (71, 267700671), (129, 147339129), (133, 142907877), (147, 129297603), (171, 111150571), (213, 89233557), (301, 63145341), (387, 49113043), (399, 47635959), (441, 43099201), (497, 38242953), (639, 29744519), (743, 25581087), (817, 23264073), (903, 21048447), (931, 20415411), (1197, 15878653), (1349, 14089509), (1491, 12747651), (2107, 9020763), (2229, 8527029), (2451, 7754691), (2709, 7016149), (2793, 6805137), (3053, 6225597), (3479, 5463279), (4047, 4696503), (4473, 4249217), (5201, 3654441), (5719, 3323439), (6321, 3006921), (6687, 2842343), (7353, 2584897), (8379, 2268379), (9159, 2075199), (9443, 2012787), (10437, 1821093), (12141, 1565501), (14117, 1346373), (15603, 1218147), (17157, 1107813), (18963, 1002307), (21371, 889371), (27477, 691733), (28329, 670929), (31311, 607031), (31949, 594909), (36407, 522063), (40033, 474777), (42351, 448791), (46809, 406049), (51471, 369271), (52753, 360297), (58007, 327663), (64113, 296457), (66101, 287541), (84987, 223643), (95847, 198303), (98819, 192339), (109221, 174021), (120099, 158259), (127053, 149597)]