19626317

素因数分解:

${\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:380

約数の個数: 16

約数和(自身を含む): 21187584

約数和(自身を除く): 1561267

約数列:

[1, 31, 37, 71, 241, 1147, 2201, 2627, 7471, 8917, 17111, 81437, 276427, 530441, 633107, 19626317]

約数ペア:

[(1, 19626317), (31, 633107), (37, 530441), (71, 276427), (241, 81437), (1147, 17111), (2201, 8917), (2627, 7471)]