18827984

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7309}}^1$

素因数の和:7347

約数の個数: 40

約数和(自身を含む): 43509120

約数和(自身を除く): 24681136

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 7309, 14618, 29236, 51163, 58472, 102326, 116944, 168107, 204652, 336214, 409304, 672428, 818608, 1176749, 1344856, 2353498, 2689712, 4706996, 9413992, 18827984]

約数ペア:

[(1, 18827984), (2, 9413992), (4, 4706996), (7, 2689712), (8, 2353498), (14, 1344856), (16, 1176749), (23, 818608), (28, 672428), (46, 409304), (56, 336214), (92, 204652), (112, 168107), (161, 116944), (184, 102326), (322, 58472), (368, 51163), (644, 29236), (1288, 14618), (2576, 7309)]