19653984

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{9749}}^1$

素因数の和:9772

約数の個数: 72

約数和(自身を含む): 63882000

約数和(自身を除く): 44228016

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 9749, 19498, 29247, 38996, 58494, 68243, 77992, 87741, 116988, 136486, 155984, 175482, 204729, 233976, 272972, 311968, 350964, 409458, 467952, 545944, 614187, 701928, 818916, 935904, 1091888, 1228374, 1403856, 1637832, 2183776, 2456748, 2807712, 3275664, 4913496, 6551328, 9826992, 19653984]

約数ペア:

[(1, 19653984), (2, 9826992), (3, 6551328), (4, 4913496), (6, 3275664), (7, 2807712), (8, 2456748), (9, 2183776), (12, 1637832), (14, 1403856), (16, 1228374), (18, 1091888), (21, 935904), (24, 818916), (28, 701928), (32, 614187), (36, 545944), (42, 467952), (48, 409458), (56, 350964), (63, 311968), (72, 272972), (84, 233976), (96, 204729), (112, 175482), (126, 155984), (144, 136486), (168, 116988), (224, 87741), (252, 77992), (288, 68243), (336, 58494), (504, 38996), (672, 29247), (1008, 19498), (2016, 9749)]