18965800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:96

約数の個数: 192

約数和(自身を含む): 57139200

約数和(自身を除く): 38173400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 23, 25, 28, 31, 35, 38, 40, 46, 50, 56, 62, 70, 76, 92, 95, 100, 115, 124, 133, 140, 152, 155, 161, 175, 184, 190, 200, 217, 230, 248, 266, 280, 310, 322, 350, 380, 434, 437, 460, 475, 532, 575, 589, 620, 644, 665, 700, 713, 760, 775, 805, 868, 874, 920, 950, 1064, 1085, 1150, 1178, 1240, 1288, 1330, 1400, 1426, 1550, 1610, 1736, 1748, 1900, 2170, 2185, 2300, 2356, 2660, 2852, 2945, 3059, 3100, 3220, 3325, 3496, 3565, 3800, 4025, 4123, 4340, 4370, 4600, 4712, 4991, 5320, 5425, 5704, 5890, 6118, 6200, 6440, 6650, 7130, 8050, 8246, 8680, 8740, 9982, 10850, 10925, 11780, 12236, 13300, 13547, 14260, 14725, 15295, 16100, 16492, 17480, 17825, 19964, 20615, 21700, 21850, 23560, 24472, 24955, 26600, 27094, 28520, 29450, 30590, 32200, 32984, 35650, 39928, 41230, 43400, 43700, 49910, 54188, 58900, 61180, 67735, 71300, 76475, 82460, 87400, 94829, 99820, 103075, 108376, 117800, 122360, 124775, 135470, 142600, 152950, 164920, 189658, 199640, 206150, 249550, 270940, 305900, 338675, 379316, 412300, 474145, 499100, 541880, 611800, 677350, 758632, 824600, 948290, 998200, 1354700, 1896580, 2370725, 2709400, 3793160, 4741450, 9482900, 18965800]

約数ペア:

[(1, 18965800), (2, 9482900), (4, 4741450), (5, 3793160), (7, 2709400), (8, 2370725), (10, 1896580), (14, 1354700), (19, 998200), (20, 948290), (23, 824600), (25, 758632), (28, 677350), (31, 611800), (35, 541880), (38, 499100), (40, 474145), (46, 412300), (50, 379316), (56, 338675), (62, 305900), (70, 270940), (76, 249550), (92, 206150), (95, 199640), (100, 189658), (115, 164920), (124, 152950), (133, 142600), (140, 135470), (152, 124775), (155, 122360), (161, 117800), (175, 108376), (184, 103075), (190, 99820), (200, 94829), (217, 87400), (230, 82460), (248, 76475), (266, 71300), (280, 67735), (310, 61180), (322, 58900), (350, 54188), (380, 49910), (434, 43700), (437, 43400), (460, 41230), (475, 39928), (532, 35650), (575, 32984), (589, 32200), (620, 30590), (644, 29450), (665, 28520), (700, 27094), (713, 26600), (760, 24955), (775, 24472), (805, 23560), (868, 21850), (874, 21700), (920, 20615), (950, 19964), (1064, 17825), (1085, 17480), (1150, 16492), (1178, 16100), (1240, 15295), (1288, 14725), (1330, 14260), (1400, 13547), (1426, 13300), (1550, 12236), (1610, 11780), (1736, 10925), (1748, 10850), (1900, 9982), (2170, 8740), (2185, 8680), (2300, 8246), (2356, 8050), (2660, 7130), (2852, 6650), (2945, 6440), (3059, 6200), (3100, 6118), (3220, 5890), (3325, 5704), (3496, 5425), (3565, 5320), (3800, 4991), (4025, 4712), (4123, 4600), (4340, 4370)]