18884954

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{1069}}^1$

素因数の和:1166

約数の個数: 24

約数和(自身を含む): 31592820

約数和(自身を除く): 12707866

約数列:

[1, 2, 11, 22, 73, 121, 146, 242, 803, 1069, 1606, 2138, 8833, 11759, 17666, 23518, 78037, 129349, 156074, 258698, 858407, 1716814, 9442477, 18884954]

約数ペア:

[(1, 18884954), (2, 9442477), (11, 1716814), (22, 858407), (73, 258698), (121, 156074), (146, 129349), (242, 78037), (803, 23518), (1069, 17666), (1606, 11759), (2138, 8833)]