18454408

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2099}}^1$

素因数の和:2269

約数の個数: 32

約数和(自身を含む): 39816000

約数和(自身を除く): 21361592

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 314, 628, 1099, 1256, 2099, 2198, 4198, 4396, 8396, 8792, 14693, 16792, 29386, 58772, 117544, 329543, 659086, 1318172, 2306801, 2636344, 4613602, 9227204, 18454408]

約数ペア:

[(1, 18454408), (2, 9227204), (4, 4613602), (7, 2636344), (8, 2306801), (14, 1318172), (28, 659086), (56, 329543), (157, 117544), (314, 58772), (628, 29386), (1099, 16792), (1256, 14693), (2099, 8792), (2198, 8396), (4198, 4396)]