18665248

素因数分解:

$2^5\times 7^1\times {\mathrm{103}}^1\times {\mathrm{809}}^1$

素因数の和:929

約数の個数: 48

約数和(自身を含む): 42456960

約数和(自身を除く): 23791712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 103, 112, 206, 224, 412, 721, 809, 824, 1442, 1618, 1648, 2884, 3236, 3296, 5663, 5768, 6472, 11326, 11536, 12944, 22652, 23072, 25888, 45304, 83327, 90608, 166654, 181216, 333308, 583289, 666616, 1166578, 1333232, 2333156, 2666464, 4666312, 9332624, 18665248]

約数ペア:

[(1, 18665248), (2, 9332624), (4, 4666312), (7, 2666464), (8, 2333156), (14, 1333232), (16, 1166578), (28, 666616), (32, 583289), (56, 333308), (103, 181216), (112, 166654), (206, 90608), (224, 83327), (412, 45304), (721, 25888), (809, 23072), (824, 22652), (1442, 12944), (1618, 11536), (1648, 11326), (2884, 6472), (3236, 5768), (3296, 5663)]