18411260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{18787}}^1$

素因数の和:18810

約数の個数: 36

約数和(自身を含む): 44978472

約数和(自身を除く): 26567212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 18787, 37574, 75148, 93935, 131509, 187870, 263018, 375740, 526036, 657545, 920563, 1315090, 1841126, 2630180, 3682252, 4602815, 9205630, 18411260]

約数ペア:

[(1, 18411260), (2, 9205630), (4, 4602815), (5, 3682252), (7, 2630180), (10, 1841126), (14, 1315090), (20, 920563), (28, 657545), (35, 526036), (49, 375740), (70, 263018), (98, 187870), (140, 131509), (196, 93935), (245, 75148), (490, 37574), (980, 18787)]