19928752

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{26501}}^1$

素因数の和:26556

約数の個数: 20

約数和(自身を含む): 39434976

約数和(自身を除く): 19506224

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 26501, 53002, 106004, 212008, 424016, 1245547, 2491094, 4982188, 9964376, 19928752]

約数ペア:

[(1, 19928752), (2, 9964376), (4, 4982188), (8, 2491094), (16, 1245547), (47, 424016), (94, 212008), (188, 106004), (376, 53002), (752, 26501)]