18209072

素因数分解:

$2^4\times 7^1\times {\mathrm{367}}^1\times {\mathrm{443}}^1$

素因数の和:825

約数の個数: 40

約数和(自身を含む): 40521216

約数和(自身を除く): 22312144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 367, 443, 734, 886, 1468, 1772, 2569, 2936, 3101, 3544, 5138, 5872, 6202, 7088, 10276, 12404, 20552, 24808, 41104, 49616, 162581, 325162, 650324, 1138067, 1300648, 2276134, 2601296, 4552268, 9104536, 18209072]

約数ペア:

[(1, 18209072), (2, 9104536), (4, 4552268), (7, 2601296), (8, 2276134), (14, 1300648), (16, 1138067), (28, 650324), (56, 325162), (112, 162581), (367, 49616), (443, 41104), (734, 24808), (886, 20552), (1468, 12404), (1772, 10276), (2569, 7088), (2936, 6202), (3101, 5872), (3544, 5138)]