18848000

素因数分解:

$2^8\times 5^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:81

約数の個数: 144

約数和(自身を含む): 51018240

約数和(自身を除く): 32170240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 31, 32, 38, 40, 50, 62, 64, 76, 80, 95, 100, 124, 125, 128, 152, 155, 160, 190, 200, 248, 250, 256, 304, 310, 320, 380, 400, 475, 496, 500, 589, 608, 620, 640, 760, 775, 800, 950, 992, 1000, 1178, 1216, 1240, 1280, 1520, 1550, 1600, 1900, 1984, 2000, 2356, 2375, 2432, 2480, 2945, 3040, 3100, 3200, 3800, 3875, 3968, 4000, 4712, 4750, 4864, 4960, 5890, 6080, 6200, 6400, 7600, 7750, 7936, 8000, 9424, 9500, 9920, 11780, 12160, 12400, 14725, 15200, 15500, 16000, 18848, 19000, 19840, 23560, 24320, 24800, 29450, 30400, 31000, 32000, 37696, 38000, 39680, 47120, 49600, 58900, 60800, 62000, 73625, 75392, 76000, 94240, 99200, 117800, 121600, 124000, 147250, 150784, 152000, 188480, 198400, 235600, 248000, 294500, 304000, 376960, 471200, 496000, 589000, 608000, 753920, 942400, 992000, 1178000, 1884800, 2356000, 3769600, 4712000, 9424000, 18848000]

約数ペア:

[(1, 18848000), (2, 9424000), (4, 4712000), (5, 3769600), (8, 2356000), (10, 1884800), (16, 1178000), (19, 992000), (20, 942400), (25, 753920), (31, 608000), (32, 589000), (38, 496000), (40, 471200), (50, 376960), (62, 304000), (64, 294500), (76, 248000), (80, 235600), (95, 198400), (100, 188480), (124, 152000), (125, 150784), (128, 147250), (152, 124000), (155, 121600), (160, 117800), (190, 99200), (200, 94240), (248, 76000), (250, 75392), (256, 73625), (304, 62000), (310, 60800), (320, 58900), (380, 49600), (400, 47120), (475, 39680), (496, 38000), (500, 37696), (589, 32000), (608, 31000), (620, 30400), (640, 29450), (760, 24800), (775, 24320), (800, 23560), (950, 19840), (992, 19000), (1000, 18848), (1178, 16000), (1216, 15500), (1240, 15200), (1280, 14725), (1520, 12400), (1550, 12160), (1600, 11780), (1900, 9920), (1984, 9500), (2000, 9424), (2356, 8000), (2375, 7936), (2432, 7750), (2480, 7600), (2945, 6400), (3040, 6200), (3100, 6080), (3200, 5890), (3800, 4960), (3875, 4864), (3968, 4750), (4000, 4712)]