19722254

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{2777}}^1$

素因数の和:2899

約数の個数: 16

約数和(自身を含む): 30602448

約数和(自身を除く): 10880194

約数列:

[1, 2, 53, 67, 106, 134, 2777, 3551, 5554, 7102, 147181, 186059, 294362, 372118, 9861127, 19722254]

約数ペア:

[(1, 19722254), (2, 9861127), (53, 372118), (67, 294362), (106, 186059), (134, 147181), (2777, 7102), (3551, 5554)]