2220454

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{823}}^1$

素因数の和:915

約数の個数: 16

約数和(自身を含む): 3559680

約数和(自身を除く): 1339226

約数列:

[1, 2, 19, 38, 71, 142, 823, 1349, 1646, 2698, 15637, 31274, 58433, 116866, 1110227, 2220454]

約数ペア:

[(1, 2220454), (2, 1110227), (19, 116866), (38, 58433), (71, 31274), (142, 15637), (823, 2698), (1349, 1646)]