19039440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{1619}}^1$

素因数の和:1649

約数の個数: 120

約数和(自身を含む): 68700960

約数和(自身を除く): 49661520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1619, 1680, 1960, 2352, 2940, 3238, 3920, 4857, 5880, 6476, 8095, 9714, 11333, 11760, 12952, 16190, 19428, 22666, 24285, 25904, 32380, 33999, 38856, 45332, 48570, 56665, 64760, 67998, 77712, 79331, 90664, 97140, 113330, 129520, 135996, 158662, 169995, 181328, 194280, 226660, 237993, 271992, 317324, 339990, 388560, 396655, 453320, 475986, 543984, 634648, 679980, 793310, 906640, 951972, 1189965, 1269296, 1359960, 1586620, 1903944, 2379930, 2719920, 3173240, 3807888, 4759860, 6346480, 9519720, 19039440]

約数ペア:

[(1, 19039440), (2, 9519720), (3, 6346480), (4, 4759860), (5, 3807888), (6, 3173240), (7, 2719920), (8, 2379930), (10, 1903944), (12, 1586620), (14, 1359960), (15, 1269296), (16, 1189965), (20, 951972), (21, 906640), (24, 793310), (28, 679980), (30, 634648), (35, 543984), (40, 475986), (42, 453320), (48, 396655), (49, 388560), (56, 339990), (60, 317324), (70, 271992), (80, 237993), (84, 226660), (98, 194280), (105, 181328), (112, 169995), (120, 158662), (140, 135996), (147, 129520), (168, 113330), (196, 97140), (210, 90664), (240, 79331), (245, 77712), (280, 67998), (294, 64760), (336, 56665), (392, 48570), (420, 45332), (490, 38856), (560, 33999), (588, 32380), (735, 25904), (784, 24285), (840, 22666), (980, 19428), (1176, 16190), (1470, 12952), (1619, 11760), (1680, 11333), (1960, 9714), (2352, 8095), (2940, 6476), (3238, 5880), (3920, 4857)]