19278714

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:140

約数の個数: 128

約数和(自身を含む): 52641792

約数和(自身を除く): 33363078

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 21, 26, 31, 34, 39, 42, 51, 62, 67, 78, 91, 93, 102, 119, 134, 182, 186, 201, 217, 221, 238, 273, 357, 402, 403, 434, 442, 469, 527, 546, 651, 663, 714, 806, 871, 938, 1054, 1139, 1209, 1302, 1326, 1407, 1547, 1581, 1742, 2077, 2278, 2418, 2613, 2814, 2821, 3094, 3162, 3417, 3689, 4154, 4641, 5226, 5642, 6097, 6231, 6834, 6851, 7378, 7973, 8463, 9282, 11067, 12194, 12462, 13702, 14539, 14807, 15946, 16926, 18291, 20553, 22134, 23919, 27001, 29078, 29614, 35309, 36582, 41106, 43617, 44421, 47838, 47957, 54002, 70618, 81003, 87234, 88842, 95914, 103649, 105927, 143871, 162006, 189007, 207298, 211854, 247163, 287742, 310947, 378014, 459017, 494326, 567021, 621894, 741489, 918034, 1134042, 1377051, 1482978, 2754102, 3213119, 6426238, 9639357, 19278714]

約数ペア:

[(1, 19278714), (2, 9639357), (3, 6426238), (6, 3213119), (7, 2754102), (13, 1482978), (14, 1377051), (17, 1134042), (21, 918034), (26, 741489), (31, 621894), (34, 567021), (39, 494326), (42, 459017), (51, 378014), (62, 310947), (67, 287742), (78, 247163), (91, 211854), (93, 207298), (102, 189007), (119, 162006), (134, 143871), (182, 105927), (186, 103649), (201, 95914), (217, 88842), (221, 87234), (238, 81003), (273, 70618), (357, 54002), (402, 47957), (403, 47838), (434, 44421), (442, 43617), (469, 41106), (527, 36582), (546, 35309), (651, 29614), (663, 29078), (714, 27001), (806, 23919), (871, 22134), (938, 20553), (1054, 18291), (1139, 16926), (1209, 15946), (1302, 14807), (1326, 14539), (1407, 13702), (1547, 12462), (1581, 12194), (1742, 11067), (2077, 9282), (2278, 8463), (2418, 7973), (2613, 7378), (2814, 6851), (2821, 6834), (3094, 6231), (3162, 6097), (3417, 5642), (3689, 5226), (4154, 4641)]