18647588

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1873}}^1$

素因数の和:2027

約数の個数: 24

約数和(自身を含む): 34631520

約数和(自身を除く): 15983932

約数列:

[1, 2, 4, 19, 38, 76, 131, 262, 524, 1873, 2489, 3746, 4978, 7492, 9956, 35587, 71174, 142348, 245363, 490726, 981452, 4661897, 9323794, 18647588]

約数ペア:

[(1, 18647588), (2, 9323794), (4, 4661897), (19, 981452), (38, 490726), (76, 245363), (131, 142348), (262, 71174), (524, 35587), (1873, 9956), (2489, 7492), (3746, 4978)]