19803184

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{53813}}^1$

素因数の和:53844

約数の個数: 20

約数和(自身を含む): 40037616

約数和(自身を除く): 20234432

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 53813, 107626, 215252, 430504, 861008, 1237699, 2475398, 4950796, 9901592, 19803184]

約数ペア:

[(1, 19803184), (2, 9901592), (4, 4950796), (8, 2475398), (16, 1237699), (23, 861008), (46, 430504), (92, 215252), (184, 107626), (368, 53813)]