18120584

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{21991}}^1$

素因数の和:22100

約数の個数: 16

約数和(自身を含む): 34307520

約数和(自身を除く): 16186936

約数列:

[1, 2, 4, 8, 103, 206, 412, 824, 21991, 43982, 87964, 175928, 2265073, 4530146, 9060292, 18120584]

約数ペア:

[(1, 18120584), (2, 9060292), (4, 4530146), (8, 2265073), (103, 175928), (206, 87964), (412, 43982), (824, 21991)]