18912404

素因数分解:

$2^2\times 7^1\times {\mathrm{509}}^1\times {\mathrm{1327}}^1$

素因数の和:1847

約数の個数: 24

約数和(自身を含む): 37927680

約数和(自身を除く): 19015276

約数列:

[1, 2, 4, 7, 14, 28, 509, 1018, 1327, 2036, 2654, 3563, 5308, 7126, 9289, 14252, 18578, 37156, 675443, 1350886, 2701772, 4728101, 9456202, 18912404]

約数ペア:

[(1, 18912404), (2, 9456202), (4, 4728101), (7, 2701772), (14, 1350886), (28, 675443), (509, 37156), (1018, 18578), (1327, 14252), (2036, 9289), (2654, 7126), (3563, 5308)]