17779982

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{73471}}^1$

素因数の和:73495

約数の個数: 12

約数和(自身を含む): 29315328

約数和(自身を除く): 11535346

約数列:

[1, 2, 11, 22, 121, 242, 73471, 146942, 808181, 1616362, 8889991, 17779982]

約数ペア:

[(1, 17779982), (2, 8889991), (11, 1616362), (22, 808181), (121, 146942), (242, 73471)]