18771742

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{1327}}^1$

素因数の和:1983

約数の個数: 16

約数和(自身を含む): 30788352

約数和(自身を除く): 12016610

約数列:

[1, 2, 11, 22, 643, 1286, 1327, 2654, 7073, 14146, 14597, 29194, 853261, 1706522, 9385871, 18771742]

約数ペア:

[(1, 18771742), (2, 9385871), (11, 1706522), (22, 853261), (643, 29194), (1286, 14597), (1327, 14146), (2654, 7073)]