19989984

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{197}}^1$

素因数の和:368

約数の個数: 96

約数和(自身を含む): 60673536

約数和(自身を除く): 40683552

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 151, 168, 197, 224, 302, 336, 394, 453, 591, 604, 672, 788, 906, 1057, 1182, 1208, 1379, 1576, 1812, 2114, 2364, 2416, 2758, 3152, 3171, 3624, 4137, 4228, 4728, 4832, 5516, 6304, 6342, 7248, 8274, 8456, 9456, 11032, 12684, 14496, 16548, 16912, 18912, 22064, 25368, 29747, 33096, 33824, 44128, 50736, 59494, 66192, 89241, 101472, 118988, 132384, 178482, 208229, 237976, 356964, 416458, 475952, 624687, 713928, 832916, 951904, 1249374, 1427856, 1665832, 2498748, 2855712, 3331664, 4997496, 6663328, 9994992, 19989984]

約数ペア:

[(1, 19989984), (2, 9994992), (3, 6663328), (4, 4997496), (6, 3331664), (7, 2855712), (8, 2498748), (12, 1665832), (14, 1427856), (16, 1249374), (21, 951904), (24, 832916), (28, 713928), (32, 624687), (42, 475952), (48, 416458), (56, 356964), (84, 237976), (96, 208229), (112, 178482), (151, 132384), (168, 118988), (197, 101472), (224, 89241), (302, 66192), (336, 59494), (394, 50736), (453, 44128), (591, 33824), (604, 33096), (672, 29747), (788, 25368), (906, 22064), (1057, 18912), (1182, 16912), (1208, 16548), (1379, 14496), (1576, 12684), (1812, 11032), (2114, 9456), (2364, 8456), (2416, 8274), (2758, 7248), (3152, 6342), (3171, 6304), (3624, 5516), (4137, 4832), (4228, 4728)]